80 L5-2309cc 2.3L SOHC (NG) (1991)
Engine Mount: All Technical Service Bulletins
Engine - Vibration in Passenger Compartment at Idle
Number:
89-01
August 31, 1989
Group:
10
Engine
Applies To:
ALL 100 W/AUTO. TRANS. ALL 80/90 W/5-CYL. ENG. & AUTO. TRANS.
Subject:
Engine Vibration, Reducing
Engine vibration, reducing
Rumbling noises and engine vibration in the passenger compartment when engine is idling and automatic transmission is engaged in drive may be
reduced by adjustment or modification of the front motor mount.
A minimum clearance of 1.0 mm (3/64 in.) between mount and mount bracket must be maintained when engine is idling in drive (as shown)
80/90
^
loosen front motor mount bracket
^
slide bracket upward to achieve 1.0 mm (3/64 in.) clearance (arrow A)
^
mounting holes may be elongated if necessary (arrow B)
^
retighten motor mount bracket
^
recheck for vibration with engine at operating temperature and automatic transmission engaged in drive