Join Date: Jun 2009
Location: Clarendon Hills, IL
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I was just looking in my Chilton's repair manual concerning these timing belt replacements and it has a bolded note that says:
Also check the tooth design on the camshaft or crankshaft sprockets. Some models may have teeth with a SQUARE edge at the bottom of the sprocket groove, while other models are ROUNDED. The replacement belts are available as either straight-toothed or rounded, and they are NOT interchangeable. Use only a belt that matches the tooth design of your sprockets. Use of the wrong belt will cause whining noise and premature failure.
ahs46, thought maybe your truck's belt was incorrect.
I'm tackling this job right now. It's been a challenge, as I had misplaced my puller and had to fabricate one, then struggled getting the bolts out of the camshaft sprockets so I could replace the seals behind it, then finally had issue getting the seal out of the crankshaft. Hopefully getting it all together tomorrow. My truck had 118,000 miles on it, but the timing belt looked good, no damage but did have a little slack. I decided to do the job when my truck started leaking coolant, most likely the waterpump. I replaced the bypass hose, as well as resealing the gooseneck.
Last edited by fish56; 10-24-2010 at 01:14 AM.
Reason: added info