Fiero V6-173 2.8L (1986)
Fuel Pump Relay: Technical Service Bulletins
Engine - No Start/No Run
Number
86-8-5
Date
11/85
Subject:
ENGINE WIRE HARNESS TO EXHAUST PIPE CONTACT ON V6 ENGINES
1986 FIERO
"Please disregard previous bulletin 86-3-2, due to a wrong section number and change to 86-8-5."
CONDITION:
Certain 1986 V-6 equipped Fieros may experience a no-start no run condition or may hesitate due to shorting of the HVAC and fuel pump relay wiring
harness against the exhaust manifold.
CAUSE:
The condition is caused by the above wiring harness being routed too close to the exhaust manifold or pipe.
Figure 1 - Wire Harness Location
CORRECTION (See Illustration):
Reposition the wire harness, after any necessary repairs, behind the crankcase ventilation tubular cross pipe (closer to the rear bulkhead) and away from
the exhaust pipe area and secure the harness with a tie strap. Vehicles after VIN FP201000 will not have this condition.
Labor Op:
N6420
Labor Time:
0.5 hr.