I did a timing belt replacement just last weekend. To the comments of everybody else, I would add the following suggestions:
- The Continental belt definitely has alignment marks. Somebody correct me if I'm wrong, but the TRW belt may be unmarked. The marks help! Use a dab of white-out correction fluid to mark the edge of the belt teeth corresponding to the three alignment lines (acknowledgement to a tip from a previous Brickboard poster). This additional reference further simplifies the job.
- Change the belt tensioner if the old one has more than, say, 60k miles on it (I believe the official replacement interval is 100k).
- Clean the sprockets, crank sprocket flange, and covers while you have everything opened. Repair any cover cracks, etc. to help keep the new belt clean.
- The crank pulley bolt is on TIGHT. You may not be able to budge it using a regular 1/2 inch drive ratchet. I had to use an 18" breaker bar to free it. I've also removed a crank pulley using an impact wrench. However, an impact wrench will not help you reinstall the bolt. You may need a breaker bar to tighten it to specs.
- I fabricated my own crank pulley counterhold tool using the reference drawings in the FAQ. It works great and is much stronger than the tools sold by FCPG and IPD. If you can weld, this may be the way to go.
Good luck.
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'88 244GL, '89 244GL, '90 244DL, '91 244, '92 244
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