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Magical 1987-only 2nd fuel filter?

racsluos

Well-known member
Joined
May 29, 2006
Messages
82
Location
North Vancouver, BC
Corvette
1987 Gold Coupe
I post this after searching like crazy for any info about the second fuel filter I believe is only on the 1987 C4...couldn't find anything other than a couple of listing on parts sites.

Any 87 owners replaced this? It's listed as a fuel return filter w/gasket, Delco part #GF62 (replacing GF62N), which is expensive, also available as WIX #33271, which is cheap.

Just curious what it does, exactly, as there is only 1 opening on it, and whether it should be a regular maintenance item. Astounded at the lack of info on the 'Net about this part...

What do you 87-ers have to say?
 

racsluos

Well-known member
Joined
May 29, 2006
Messages
82
Location
North Vancouver, BC
Corvette
1987 Gold Coupe
Found it...

Service Bulletin Number: 86-234
Bulletin Sequence Number: 043
Date of Bulletin: 8704
NHTSA Item Number: 90911
Make: CHEVROLET
Model: CORVETTE
Year: 1986
Component: FUEL:FUEL INJECTION:UNKNOWN TYPE:ACCUMULATOR
Summary: FUEL RETURN PIPE RATTLE/KNOCK-HAMMERING/KNOCKING TYPE NOISE-CAUSED BY PRESSURE P ULSATINGS IN FUEL SYSTEM GENERATED BY FUEL INJECTOR OPERATION-REPAIRED BY INSTAL LATION OF A FILTER-ACCUMULATOR ASSEMBLY IN FUEL RETURN SYSTEM-SERVICE KITS CONTA INING PARTS AVAILABLE FROM GMSPO-SERVICE KIT P/N-COUPE 10068791-CONVERTIBLE 1006 8797-ALL 1985-86 CHEVROLET CORVETTE MODELS
 

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