2010 Chevrolet HHR Manufacturer communications & TSBs.Page 8
Original record summaries, dates and identifiers for this model-year. Records 701–800 of 1,137, ordered newest first. Dated records on this page: Sep 23, 2014–Apr 27, 2015.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Apr 27, 2015Service Bulletin/Repair Instructions
15-00-89-004
NHTSA communication ID: 10113613
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all General Motors powertrains except the Volt. The third pathway for oil life calculation is the amount of time the oil is in the engine. The Volt uses a 2 year timer instead of 1 year. It also uses the engine revolution counter. It does not use the mileage pathway to count down.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
NHTSA source summary · Original PDF not reviewed by Recallfolio
14632B - SPECIAL COVERAGE (REVISED PART INFORMATION). ON SOME VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION, THE VEHICLES TRANSMISSION SHIFTER MAY NOT PROPERLY TRANSMIT AN ELECTRICAL SIGNAL THAT ALLOWS THE IGNITION KEY TO BE TURNED COUNTER CLOCKWISE PAST THE ACCESSORY MODE TO THE LOCK POSITION AFTER THE VEHICLE HAS BEEN SHIFTED INTO PARK. IF THIS OCCURS, THE IGNITION KEY CANNOT BE REMOVED FROM THE IGNITION CYLINDER WITHOUT DEPRESSING THE MANUAL RELEASE PLUNGER LOCATED ON THE UNDERSIDE OF THE STEERING COLUMN AS DESCRIBED IN THE OWNERS MANUAL. A KEY LEFT IN THE ACCESSORY POSITION FOR AN EXTENDED PERIOD OF TIME MAY RESULT IN SEVERE BATTERY DRAIN AND A POSSIBLE NO START CONDITION. IN MOST CASES, DEALERS ARE TO REPLACE THE AUTOMATIC TRANSMISSION SHIFTER. HOWEVER, THE SERVICE PROCEDURE ALSO REQUIRES DEALERS TO UTILIZE DIAGNOSTIC INFORMATION TABLE IN SI TO ELIMINATE OTHER POSSIBLE CAUSES BEFORE REPLACING THE AUTOMATIC TRANSMISSION SHIFTER.
Source components: POWER TRAIN:AUTOMATIC TRANSMISSION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
Source components: ELECTRICAL SYSTEM · EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a "500 phone number" The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires.
NHTSA source summary · Original PDF not reviewed by Recallfolio
14632A - Special Coverage (part name revised). On some vehicles equipped with an automatic transmission, the vehicle?s transmission shifter may not properly transmit an electrical signal that allows the ignition key to be turned counter clockwise past the accessory mode to the ?LOCK? position after the vehicle has been shifted into park. If this occurs, the ignition key cannot be removed from the ignition cylinder without depressing the manual release plunger located on the underside of the steering column as described in the owner?s manual. A key left in the accessory position for an extended period of time may result in severe battery drain and a possible no start condition. In most cases, dealers are to replace the automatic transmission shifter. This repair will be made at no charge to the customer. However, the service procedure also requires dealers to utilize the Ignition Key Cannot Be Inserted, Rotated, or Removed from the Ignition Lock Cylinder diagnostic information table in SI to eliminate other possible causes before replacing the automatic transmission shifter.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician what to inspect if codes P0016 and/or P0017 are setting on a properly timed engine or a condition of the vehicle cranks but will not start. Technician should inspect the respective intake or exhaust camshaft reluctor to see if it has spun on the camshaft. The reluctor cannot be repositioned so the camshaft must be replaced. The new camshafts come with the reluctor already pressed on in the correct position.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM · EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information to correct a dealer concern of what they perceive to be paint staining when the protective shipping film is removed from certain vehicles.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin adds 2014 - 2015 model years to information regarding comeback prevention and using Customer Concern Verification Sheets (CCVS).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on chemical staining, pitting, corrosion and/or spotted appearance of chromed aluminum wheels, along with warranty information regarding these conditions.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CHANGING THE TIRE AND WHEEL SIZE ON VEHICLES. GENERAL MOTORS WILL ONLY SUPPORT A TIRE CALIBRATION FOR TIRES THAT HAVE BEEN SIZED, TESTED AND DESIGNED FOR THE VEHICLE IN QUESTION AND ITS APPLICATIONS. TECHNICIAN SHOULD NOT USE THE INFORMATION THAT IS PROVIDED BY THE ANTILOCK BRAKING SYSTEM TIRE SIZE SELECTION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin adds 2012 - 2015 model years to information communicating a change in the product field action customer reimbursement procedure (U.S. Dealers Only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a "Phone Unavailable" audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A "Ready" or "OnStar ready" audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ?push to talk? button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT TYPE OF CALL THE CUSTOMER IS HAVING THAT IS UNWANTED. THE VEHICLE MAY RECEIVE AN INCOMING CALL JUST LIKE ANY OTHER PHONE. TYPICALLY THE CUSTOMER WILL HEAR THE PHONE RINGING IN THE VEHICLE. THIS SCENARIO ALSO INCLUDES INCOMING BLUETOOTH CALLS. ONE TYPE OF UNWANTED CALL CAN BE MADE IF THE KEY PAD IS FAULTY THE ONSTAR SYSTEM WILL TRY TO MAKE A BLUE BUTTON CALL FOR SHORTED VOLTAGE IN THE CIRCUITS. THE ONSTAR MODULE COULD HAVE AN INTERNAL FAULT AND PRODUCE A PHONE UNAVAILABLE AUDIO MESSAGE ALSO IT MAY HAVE A DIAGNOSTIC TROUBLE CODE U1500 OR B1000. REFER TO DIAGNOSTICS FOR THE DIAGNOSTIC TROUBLE CODE MAKING SURE TO FOLLOW ANY APPLICABLE BULLETINS OR PRELIMINARY INFORMATION SHEETS. A GREADYH OR GONSTAR READYH AUDIO MESSAGE HEARD WHILE DRIVING. IN SOME CASES IT HAS BEEN FOUND THAT THE CUSTOMER IS INADVERTENTLY PRESSING THE PUSH TO TALK BUTTON ON THE STEERING WHEEL CONTROLS. ON RARE OCCASIONS, OTHER ISSUES IN THE STEERING COLUMN OR STEERING WHEEL CONTROL SYSTEM MAY INDUCE THIS CONCERN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides information that the tire pressure monitor (TPM) sensors must always be re-learned when accessory wheels are installed on the vehicle.
Source components: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
CHEVROLET HHR:2009-2010 PASSENGER AIR BAG WIRING HARNESS CONNECTOR: CERTAIN VEHICLES AIRBAGS CAN CAUSE CORROSION. *LJ SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. *LJ
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information bulletin provides information on how to remove stainless steel wheel nut caps with the matching depth of socket used on the wheel nut.
NHTSA source summary · Original PDF not reviewed by Recallfolio
14632 - SPECIAL COVERAGE (Q&A). ON DECEMBER 11, 2014, GENERAL MOTORS RELEASED SPECIAL COVERAGE ADJUSTMENT 14632. THE TOTAL NUMBER OF U.S. VEHICLES INVOLVED IS APPROXIMATELY 1.9 MILLION. IN ORDER TO ASSIST DEALERS WITH RESPONDING TO CUSTOMER INQUIRIES ABOUT THIS FIELD ACTION, ATTACHED IS A BRIEF Q&A DOCUMENT. PLEASE MAKE SURE THAT ALL EMPLOYEES WHO INTERACT WITH CUSTOMERS ARE FAMILIAR WITH THIS INFORMATION. CUSTOMER QUESTIONS THAT YOU ARE UNABLE TO ANSWER SHOULD BE REFERRED TO THE DEALER BUSINESS CENTER OR YOUR DISTRICT MANAGER - AFTERSALES.
NHTSA source summary · Original PDF not reviewed by Recallfolio
14632 - SPECIAL COVERAGE. ON SOME VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION, THE VEHICLES TRANSMISSION SHIFTER MAY NOT PROPERLY TRANSMIT AN ELECTRICAL SIGNAL THAT ALLOWS THE IGNITION KEY TO BE TURNED COUNTER CLOCKWISE PAST THE ACCESSORY MODE TO THE LOCK POSITION AFTER THE VEHICLE HAS BEEN SHIFTED INTO PARK. IF THIS OCCURS, THE IGNITION KEY CANNOT BE REMOVED FROM THE IGNITION CYLINDER WITHOUT DEPRESSING THE MANUAL RELEASE PLUNGER LOCATED ON THE UNDERSIDE OF THE STEERING COLUMN AS DESCRIBED IN THE OWNERS MANUAL. A KEY LEFT IN THE ACCESSORY POSITION FOR AN EXTENDED PERIOD OF TIME MAY RESULT IN SEVERE BATTERY DRAIN AND A POSSIBLE NO START CONDITION. IN MOST CASES, DEALERS ARE TO REPLACE THE AUTOMATIC TRANSMISSION SHIFTER.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a ?500 phone number? The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2.9 of the 1st addition manual for details of Technician Identification and Accounting of Labor Time
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a ?500 phone number? The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent engine misfire and a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0300, P0301, and/or P0304. Technician will need to follow published Service Information diagnostics first. If the Service Information diagnostics do not isolate a cause for this concern, inspect the inside of the fuel rail and/or fuel tank for fuel contamination. f fuel contamination is present, refer to the "Fuel System Cleaning" procedure in Service Information. Dealer will need to advise the customer to only use fuel from high quality high volume Top Tier fuel stations.
Source components: ENGINE AND ENGINE COOLING · FUEL SYSTEM, GASOLINE.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.