serpentine belt diagram??? 2002 7.3
#5
AC Pulley question
What are pulley numbers 3 and 8? I have a 2000 7.3L excursion single alt. my AC compressor when out and the belt tangled itself and made these pulley's pop out.
#6
The answer to your question is the tensioner pulley set as seen below.
#7
So I learned something recently. The pic Sous posted is actually upside down from how it installs on the engine, but it shows something I didn’t know about until I pulled mine off. The little dark colored piece on the top of that pic is a “lock” for the tensioner. It is spring loaded to pop out once you get your belt in place. To use it, put a breaker bar in the square slot, take tension off the belt, reach underneath (remember its upside down from as shown), swing that piece up in place as is shown in pic, and release your breaker bar to lock it in place. Once you are done with routing the belt, a quick push on the breaker bar will release the lock and put tension on the belt. Happy motoring.
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dozerd12r
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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12-27-2003 09:15 AM