760 V6-2849cc 2.8L SOHC B28F (1983)
Technical Service Bulletin # 21114
Date: 850701
Engine - Poor Idle Quality
SECTION
GROUP
NO.
21
114
DATE
JULY, 1985
RE:
IDLE VIBRATION
-
idle adjustment
-
installation of flexible exhaust pipe & new motor mounts B28F 1983-85
THIS SERVICE BULLETIN IS APPLICABLE TO THE U.S. AND CANADIAN MARKETS AND SUPERSEDES SERVICE BULLETIN GROUP
23 NO. 6 DATED JUNE, 1984, AND SERVICE BULLETIN GROUP 25 NO. 106 DATED OCTOBER, 1984.
This Service Bulletin provides information regarding idle adjustments and modifications to improve the idle quality on B28F engines. It is divided in
three sections.
1.
IDLE ADJUSTMENT
2.
INSTALLATION OF FLEXIBLE EXHAUST PIPE
3.
INSTALLATION OF NEW MOTOR MOUNTS
1.Idle Adjustment
This section provides supplemental idle adjustment information to Service Manual TP30421, and should be used in conjunction with this manual.
Check Intake System
-
all hoses and hose connections
-
air valve for CIS system. The arrow should point towards the cold start injector