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Timming belt interval 20K or 30K ? damper fitted or not?photo included 900 1992

posted by  someone claiming to be SL on  Thu Jun 10 08:28 CST 2004 [RELATED]

Hi, I posted this earlier with the wrong photo, I'm trying to determin if the damper described by Mr. Abe has been fitted.

Doesn't seem like it from the photo(am I wrong), which meens my interval is 20K ! I'll need to change it imediately?

Please let me know , I'll change it anyway.
Thanks
SL



The 92's had an interval
of 20K. Volvo developed a damper assy that fits onto exhaust cam that was retrofitted
to 92's (if it was being taken to a dealer AND the serv. bulletin was performed)
and was factory-fitted to 93's that allowed the 21mm wide belt to last 30K due
to less cyclic loading on belt. You can see the damper if is installed by looking
through the holes in the cam gear on exh. cam. The damper will make seeing the
aluminum head through these holes difficult, especially if you compare to the
intake cam pulley which is the same part but will have no damper fitted. The 94's
have a revised damper and some belt driven pulleys revised and a 23mm wide belt
is used (belt is diff length than 21mm belt) to give a 50K interval. The 95-98
engines got a complete re-do of the belt drive and use a 28mm belt to give a 70K
interval. 5 cylinders use 21mm belt w/ 50K interval on 93's and the 23mm belt
with 70K interval 94 up to 98.

Abe Crombie

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