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GM DEVELOPS SPECIAL POLICY FOR EARLY QUAD 4 ENGINES

 DETROIT, Feb. 15 /PRNewswire/ -- In the interest of continued customer satisfaction, General Motors (NYSE: GM) has developed a special policy with regard to certain 1987-1991 vehicles equipped with the Quad 4 engine.
 A condition may develop involving the cylinder head gasket, which could allow coolant to leak past the head gasket into one or more cylinders.
 Vehicles that could experience this condition include Quad 4- equipped 1988-1991 Pontiac Grand Ams and 1991 Grand Prix; 1987-1991 Oldsmobile Cutlass Calais' and 1990 and 1991 Cutlass Supremes; 1988-1991 Buick Skylarks and 1990 and 1991 Chevrolet Beretta GTZs.
 Some customers with the specified vehicles may experience this condition which can be recognized by a loss of coolant in the coolant reservoir and/or "white smoke" from the tail pipe is noticed.
 A new head gasket design and material, plus a change in the engine assembly process, have been instituted at the plant. Validation tests demonstrated these improvements eliminate the possibility of this condition.
 GM dealers are prepared to replace the head gasket on specific 1987- 1991 vehicles equipped with the Quad 4 engine. In the event an owner already had the work performed by a GM dealer, the owner will be reimbursed by General Motors. Those owners should contact their GM dealer.
 Q & A
 Re: Quad 4 (head gasket issue)
 Q: How many cars are involved in the special policy?
 A: There are approximately 500,000 vehicles included in the special policy. Included are Chevrolet Beretta GTZs, Pontiac Grand Ams and Grand Prixs, Oldsmobile Calais and Cutlass Supremes and Buick Skylarks.
 Q: What is the specific problem with the Quad 4?
 A? In the 1987 to 1991 Quad 4s, movement of the aluminum cylinder head may cause the armor ring to crack. That movement -- relative to the cast iron block -- is a result of heating and cooling the engine. This factor, coupled with corrosion of the head gasket steel core may lead to loss of sealing.
 Q: What has been done to correct this problem with the Quad 4?
 A: The new head gasket design includes a stainless steel core to reduce friction sealing. A procedure to improve head bolt tightening and gasket pre-conditioning has been developed for manufacturing of the Quad 4. Validation tests demonstrated that these improvements eliminate this possible condition.
 Q: How long are these vehicles covered under warranty, if they do develop the problem?
 A: Warranty coverage has been extended from 3 years/50,000 to 6/60,000 miles on all 1989-1991 Quad 4 engine-equipped vehicles. In addition, GM eliminated the $100 deductible requirement from all 1987-1991 vehicles up to 6 years/60,000 miles, and will reimburse those customers who have already paid $100 for repair that has already occurred. Customers who have paid for the repair will be reimbursed by GM.
 Q: Why aren't you issuing a recall?
 A: We don't feel all the Quad 4-equipped vehicles will fail. GM is doing this in the interest of customer satisfaction.
 Q: How are owners being notified?
 A: Letters have been sent by the marketing divisions involved to all owners of 1987 to 1991 Quad 4-equipped vehicles.
 Q: Are parts available at dealerships now?
 A: Yes
 -0- 2/15/93
 /CONTACT: Sherri Childers of GM Powertrain Division, 313-857-4157/
 (GM)


CO: GM Powertrain Division ST: Michigan IN: AUT SU:

ML -- DE007 -- 6503 02/15/93 09:54 EST
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Date:Feb 15, 1993
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