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Transmission Replacement Tools Required J 42371 Hydraulic Clutch Line Separator Removal Procedure 1. 2. 3. 4. 5. 6. Shift the transmission into 3rd or 4th gear. Remove the shift lever assembly. Drain the transmission fluid. If vehicle is a 2 wheel drive (2WD), remove the propeller shaft. If vehicle is a 4 wheel drive (4WD), remove the transfer case. Using J 42371, push back on the white plastic sleeve on the quick connect in order to separates the hydraulic clutch line from the clutch actuator quick connect. 7. Disconnect the following engine wiring harness electrical connectors: Backup lamp switch (1) Vehicle speed sensor (VSS) (3) Oxygen sensor (4) 8. Remove the oxygen sensor (2) from the transmission bracket. 9. Remove the engine harness clips from the fuel feed/return line clip/bracket. Zoom Sized for Print 10. If equipped with 4WD, remove the vent hose clip from the bracket. 11. If equipped with 4WD, remove the vent hose clip (1) from the fuel feed/return hose bracket. Zoom Sized for Print 12. If equipped with 4WD, remove the fuel feed/return hose clip from the bracket. 13. Remove the starter. 14. Support the transmission using a suitable transmission jack. 15. Remove the transmission support. Zoom Sized for Print 16. Disconnect the vent hose from the transmission. 17. Remove the vent hose clip from the clutch housing. Zoom Sized for Print 18. Remove the transmission to clutch housing bolts. 19. Remove the transmission from the clutch housing.

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This PI was superseded to advise dealers there is no repair for early oil change messages or erratic OlM operation. Please discard PIP4540B. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition I Concern: A dealer may encounter a customer concern of the oil life monitor (OlM) percentage dropping too qUickly, or an early oil change message. A customer utilizing the oil life monitor may be directed to change the oil at (or near) 1000 mile intervals. Recommendation Ilnstructions: Please do not replace the IPC or ECM for an early oil change message. Oil life monitoring is dependent on vehicle use. Oil life monitoring and change intervals will differ depending on how the vehicle is driven. Please complete the current SI diagnostics for any trouble code or symptom found. Engine drivability concerns may induce early oil change messages or erratic OlM operation. Dealers should verify there are no intake or exhaust leaks by completing Charge Air Cooler Diagnosis (Full System Air leak Test and the Induction System Smoke Test). Discuss driving habits with the customer. The main contributor to early or erratic oil change messages may be some of the customers driving habits. Drive cycles that include short trip, stop and go, and extended idle times are a few of the contributors to early oil change messages. Customers with more exhaust regenerations (due to driving habits) are more susceptible to qUicker oil change messages. There is no repair for early oil change messages or erratic OlM operation. If a dealer is to encounter a vehicle with a customer concern of early oil change complete a Field Product Report using the newest version of bulletin 02-00-89-002. Note: If an oil analysis has been completed fuel dilution should not be over 12%.

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Callout Caution: Refer to SIR Inflator Module Handling and Storage Caution in the Preface section. Caution: Refer to SIR Caution in the Preface section. Preliminary Procedure Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling . Retainer Procedure 1 On the back side of the steering wheel, there are 2 access holes. Using a 3-4 mm T handle allen wrench , insert in a cross car (Horizontally) direction and slightly outboard (handle towards I/P) push in 40mm (1 1/2in) to engage release spring. Component Name Steering Wheel Inflatable Restraint Module Procedure 1. Release the connector position assurance (CPA) retainer. 2. Disconnect the electrical connectors. 3. Fully deploy the module before disposal. If the module was replaced under warranty, fully deploy and dispose of the module after the required retention period. Refer to Inflator Module Handling and Scrapping .

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SIR component location affects how a vehicle should be serviced. There are parts of the SIR system installed in various locations around a vehicle. To find the location of the SIR components refer to SIR Identification Views . There are several reasons for disabling the SIR system, such as repairs to the SIR system or servicing a component near or attached to an SIR component. There are several ways to disable the SIR system depending on what type of service is being performed. The following information covers the proper procedures for disabling/enabling the SIR system. SIR Service Precautions Caution: When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Failure to observe the correct procedure could cause deployment of the SIR components. Serious injury can occur. Failure to observe the correct procedure could also result in unnecessary SIR system repairs. The inflatable restraint sensing and diagnostic module (SDM) maintains a reserved energy supply. The reserved energy supply provides deployment power for the air bags if the SDM loses battery power during a collision. Deployment power is available for as much as 1 minute after disconnecting the vehicle power. Waiting 1 minute before working on the system after disabling the SIR system prevents deployment of the air bags from the reserved energy supply. General Service Instructions The following are general service instructions which must be followed in order to properly repair the vehicle and return it to its original integrity: • Do not expose inflator modules to temperatures above 65°C (150°F). • Verify the correct replacement part number. Do not substitute a component from a different vehicle. • Use only original GM replacement parts available from your authorized GM dealer. Do not use salvaged parts for repairs to the SIR system.

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Subject: Models: 2009 Corvette LS7 and LS9 Engine Replacement Information 2009 Chevrolet Corvette with a 6.2L (RPO LS9) or 7.0L (RPO LS7) Engine in the United States of America The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern: This is to announce a temporary program for 2009 Z06 and ZR1 Corvettes in the U.S.A. with major engine failures. In an effort to gain product knowledge quicker, Chevrolet would like to provide the opportunity for the customer to allow their Z06 or ZR1 Corvette to be picked up by special carrier and returned to the Bowling Green Assembly Plant to have the engine exchanged. If the customer agrees, General Motors will arrange to have a complete engine sent directly to the assembly plant. A specialized repair crew will exchange the engine, complete a diagnostic review, ensure all of the codes are cleared, and run the vehicle through the final assembly check. Once completed, the vehicle will be returned to the dealership on the first available carrier. Bowling Green Assembly anticipates the entire process should be completed in approximately 10 working days. Recommendation/Instructions: If engine replacement is necessary, please review the opportunity above with the customer to see whether they would like to have your dealership replace their engine, or at Bowling Green Assembly Plant. If a Z06 customer would prefer to have your dealership replace their Z06 engine, follow the latest version of 02-07-30-029 and contact PQC before ordering the replacement engine from your parts department. If a ZR1 customer would prefer to have your dealership replace their ZR1 engine, follow the latest version of 08-06-01-014 and contact PQC the PQC and they will order the replacement engine for you as necessary.