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Join Date: Feb 2008
Location: Humble, TX
Posts: 119
Timing belt replacement

Well, I am almost at the 30k mile mark and I was just wondering if it is really necessary to replace the rollers and tensioners for the balance/timing belt. I did the last belt change with the rollers, tensioners, water pump and oil seals, but I don't know the reliability of how long they last and would like some input before I spend more money than I have to.

1984 944 NA 5spd
Old 04-24-2012, 02:16 AM
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Join Date: Apr 2010
Location: Arizona
Posts: 2,944
The rollers are an "as required" item. There is no specified interval for replacement of them, however making sure they are in good shape is part of the TB replacement procedure. They should have a little drag a but be smooth and have no axial or radial play.

That being said, most experienced 944 owners find it prudent to replace the water pump and rollers every other belt change(i.e. replace the WP one time and the rollers the next).

Old 04-24-2012, 02:35 AM
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Location: Orlando area
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If you can spin the rollers and they roll on for a few seconds or make noise, replace them. They shouldn't roll like the clamp on roller skates of the 60's. Since my '87 was acquired a year ago, I chose to replace everything to get a good base-line start on the replacement intervals.

3 944's, 2 Boxsters and one Caman S, and now one 951 turbo. Really miss the Cayman.

Some people try to turn back their "odometers." Not me. I want people to know 'why' I look this way. I've traveled a long way and some of the roads weren't paved.
Old 04-24-2012, 11:41 AM
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