Quote:
Originally Posted by rdruss
I was getting some intermittent light squealing for awhile and then went out to leave last week and really loud screeching immediately on start up ... tensioner pulley seized! I had ordered a kit just the week prior anticipating replacing in the spring ... wrong ... did it last weekend and it is a big job. Have to pull fan/shroud/overflow reservoir/power steer pump/alternator/cam pulley cover and dust cover to remove tensioner. This is on the V8.
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I had the same thing happen to me on my V8, I just bought a new pulley with the bearing, not the entire tensioner, it only took me about 45 minutes to replace the pulley/bearing and a new belt, the only thing I removed was the old belt and the old pulley/bearing, not very hard at all.
I did however measure the old pulley's diameter because on 2003s V8s and some 2004s V8s the pulley is larger, about halfway through the 2004 build year Toyota decreased the size of the pulley from around 4" to around 3 1/2" it's actually a metric size, if I remember correctly it was 102mm for the early pulley and 90mm for the later pulley.
Also the serpentine belt is also different sizes depending which tensioner pulley the V8 has,
Edit: I corrected the year and sizes of the tensioner pulley, I had the sizes switched from what they actually are.