ENGINE EXCHANGE PROGRAM 5.7L V8 (LT1) SERVICE INFO
SUBJECT: ENGINE EXCHANGE PROGRAM - SERVICE INFORMATION
VEHICLES AFFECTED: 1992 "Y" CAR W/5.7 LITRE (LT1) PORT FUEL INJECTED (PFI) V8 ENGINE
THIS BULLETIN IS BEING REVISED TO CLARIFY ENGINE EXCHANGE and/or REPAIR OPTION.
Bulletin Covers:
An optional engine exchange program for the new LT1 5.7L V8 engine. This program allows either repair or exchange of qualifying 1992 model year engines. The repair option is provided solely to accommodate those vehicle owners specifically requesting dealers to maintain "original equipment" in their vehicles. The engine exchange program is encouraged for the purpose of gaining product feedback on possible manufacturing related conditions which are unsatisfactory to the customer. Exchange procedures are outlined below and are administered by the Technical Assistance Centre (TAC).
New 5.7L V8 engine features are as follows:
New Option Code - LT1 Front Mounted Distributor Low Rise Intake Manifold Reverse Flow Cooling Gear Driven Water Pump Revised Combustion Chamber
Service Information:
All requirements regarding servicable and non-servicable items, warranty claims, processing procedures and shipping instructions are explained below. Your cooperation in following these procedures when your dealership receives a condition comment on this engine will greatly improve the effectiveness of the program. File this information in the "Special Exchange Policy Procedures" manual.
If any internal components require replacement, the engine must be exchanged.
A. ENGINE COMPONENTS WHICH MAY BE SERVICED (without exchange): --------------------------------------------------------------- Only the valve rocker covers and oil pan may be removed to determine whether the engine must be replaced (before returning the engine, these parts must be reinstalled).
NOTE: Any deficient engine component identified above should be repaired following service procedures in 1992 Service Manuals.
B. ENGINE EXCHANGE: -------------------- Any deficient engine component not included in paragraph "All above may necessitate an engine exchange.
COMPLETE ENGINES ARE REQUIRED FOR EXCHANGE!!!
C. EXCHANGE PROCEDURE: ----------------------- Once the above preliminary diagnosis is made and an exchange unit is deemed necessary, call your Technical Assistance (TAC) Chassis Group
- TAC will require the VIN and serial number.
- TAC will arrange with Flint Engine Plant to directly ship a replacement engine within 48 hours. The replacement engine will be complete except for accessories (i.e., starter, accessory drive, etc.).
- A TAC case number will be provided for each engine exchange. This number must be recorded on the identification card supplied with the replacement engine and must be affixed to the replaced engine being returned. The identification card must be filled out completely.
- To avoid a chargeback, the exchange unit must be returned to Flint within 10 days in the original shipping crate. Failure to return the concerned unit will result in the DEALERSHIP being billed the value of an exchange unit.
- The exchange unit must be complete as removed from the vehicle. Dealerships returning incomplete units risk being billed for the complete engine. All procedural steps must be followed to ensure the dealership is not billed for an engine.
The removed unit must be returned complete as removed from the vehicle in the container provided, without examination of the unit other than as described in paragraph A above. Engine dress on the removed unit must remain the same as the replacement engine shipped (i.e., manifolds, throttle body, etc.). Dealerships returning units even partially disassembled will be judged as violating this procedure and as such will be subject to being billed for all materials furnished.
The exchange unit will be shipped with minimum quantity of oil; add oil per specifications.
Attached to the exchange unit will be a return shipping label (freight is prepaid).
D. PREPARATION FOR SHIPPING: ---------------------------- Visually check all fluid levels to assure they are within the normal operating range. If not, drain and measure the oil and coolant from the concerned unit. Record the oil and coolant measurement results on the repair order. REPLACE THE DRAIN PLUG.
Remove engine assembly as outlined in the 1992 Service Manuals. Remove all plastic shipping plugs and covers from the exchange unit and install them on the removed unit.
If the engine leaks, mark leak area on engine. Write the TAC reference number on the repair order form.
Place the removed unit into the original shipping container. Include a copy of the repair order in original envelope and attach to original engine.
E. SHIPPING INSTRUCTIONS: ------------------------- Place the shipping label over the original container shipping label.
The Bill of Lading and Customs Papers (when necessary) provided with the exchange engine are the only documents required to return ship the removed engine.
NOTE: The same carrier, whose name is indicated on the Bill of Lading, should be used for the return engine shipment.
All required data on the Bill of Lading will be complete, except for the date and carrier signature. After the Bill of Lading has been dated and signed by the carrier, retain the last copy of your repair order and provide the other two copies to the carrier. Your copy of the Bill of Lading, signed by the carrier, is your proof of returning the engine.
The removed engine is to be shipped by Truck Freight collect to:
GM Powertrain Flint Engine Plant G-3248 Van Slyke Road Flint, MI 48552
Attn: 5.7L (LT1) Engine Exchange Program Quality Assurance Department
To increase the effectiveness of the program, the removed unit should be returned IMMEDIATELY. Failure to return the removed unit will result in the dealership being billed $4,600.00 for the unit furnished, plus an administration charge.
F. WARRANTY CLAIMS PROCESSING PROCEDURE: ---------------------------------------- Upon completion of the repair, a warranty claim is to be submitted to the Marketing Division.
Labour Operation Part Labour Other Number Description Allowance Hours Hours --------- ----------- --------- ----- ------ J1880 Replace Engine Assembly $ 700.00 7.2 hrs 0.2 hr
Add Time: With Folding Top 0.6 hrs
* Administrative Allowance --
NOTE: Applicable miscellaneous items, such as engine oil and engine coolant, should be added to the above Part Allowance amount and included in the Net Amount (DMN) column of the claim.
YOUR COOPERATION IS GREATLY APPRECIATED. PROMPT RETURN OF YOUR CONCERNED UNIT WILL INCREASE THE EFFECTIVENESS OF THIS PROGRAM. IF YOU HAVE ANY QUESTIONS CONCERNING THE EXCHANGE PROGRAM ADMINISTRATIVE PROCEDURES, PLEASE CONTACT THE TECHNICAL ASSISTANCE CHASSIS GROUP).
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.
