Fuel - Revised Throttle Body/Fuel Rail Torque
88chevy31Number: 89-21-6E
Section: 6E
Date: NOV., 1988
Subject: REVISED THROTTLE BODY/FUEL RAIL TORQUE
Model and Year: 1987-89 CELEBRITY, CAVALIER, CORSICA, BERETTA WITH 2.8L (VIN CODE W) ENGINE
TO: ALL CHEVROLET DEALERS
The throttle body attaching bolt torque and fuel rail attaching bolt torque specifications, Section 6E3-C2 are incorrect in some service manuals. The correct torque specifications are:
Throttle body to plenum 25 N-m (18 ft.lb.)
attaching bolts
Fuel Rail to intake 10 N-m (8 ft.lb.)
manifold attaching bolts
Intake plenum attaching 21 N-m (16 ft.lb.)
bolts