9000 L4-1985cc 2.0L DOHC (1986)
Timing Chain Tensioner: All Technical Service Bulletins
Engine - Rattles From Camshaft Tensioner
FILE IN S.I. Man VOL. I
SEC. B-2
PG. 5
Service Information
SUBJECT:
NEW CAM CHAIN TENSIONER AS A ISSUE: 11/86-911 SERVICE ALTERNATIVE
APPLICATION: SAAB 9000 MODELS
Fig. 1 Timing Chain Tensioner, Late Type.
A new cam chain tensioner has been introduced as a service measure against noise complaints. Use the alternative design when replacement of the
standard tensioner does not cure rattles from the camshaft drive mechanism (most noticeable at idle).
Cam Chain Tensioner
P/N 75-85-086
Due to initial Supply quantities, the new tensioner is now only available as a service measure and "won't be production installed until later in the model
year.
Do not remove the safety pin (see arrow) before the tensioner has been fitted into the engine.
Installing A New Tensioner:
1.
Remove old tensioner from the engine.
2.
Thread in the new design tensioner and tighten to 50 ft.lbs. (65 N-m).
3.
Remove the safety pin as shown. The tensioning arm is now released.
4.
Tighten the small plug nut to 16 ft. lbs. (22 N-m).
See Page 2 for tensioner servicing procedure