Camaro V8-305 5.0L VIN F FI (1985)
Fuel Gauge Sender: Customer Interest
Fuel Pump - Noise
Number:
87-291-6C
Section:
6C
Date:
MAY, 1988
Subject:
FUEL PUMP NOISE
Model and Year:
1985-87 CAMARO MODELS WITH V-6 (RPO LB8) (VIN Code S) AND V-8 (RPO LB9, L98) ENGINES (VIN Code F, 8)
TO:
ALL CHEVROLET DEALERS
Some 1985-87 Camaro models with V-6 (RPO LB8) or V-8 (RPO LB9, L98) engines may exhibit increased noise generated by the intank fuel pump that
is audible in the vehicle passenger compartment.
This condition may be attributed to any of the components or conditions noted below:
1.
Fuel Pump
2.
Pulsator
3.
Inadequate pump discharge port to sender feed pipe clearance.
4.
Improper tank to underbody position/isolation resulting in ground out.
Vehicles exhibiting this condition may be repaired by following the procedure below:
1.
Drain and lower fuel tank following applicable shop manual procedures.
2.
Remove existing anti-squeak material from tank/tank straps/vehicle underbody and discard.
3.
Clean tank straps/tank top with suitable solvent and remove fuel sender/pump assembly.
