Celebrity V6-173 2.8L (1989)
Fuel Rail: Technical Service Bulletins
Fuel - Revised Throttle Body/Fuel Rail Torque
Number:
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
