On the LSJ belt system, which one is the tensioner and which one is the idler? My pulley where the old tensioner was (before SC swap) just started squeaking and I want to get the right part. I think it's the idler but I'm not 100% so looking for confirmation.

The idler is where the stock L61 tensioner use to be. The LSJ tensioner looks like this:






its an old concept. time for something new to take the reigns. - Z yaaaa

thats what i thought.. thanks Tinkles

Can anyone confirm that this is the right pulley? Dayco part #89070 64mm diameter.

There is no aftermarket pulley for that tensioner, it is a dealer only part and you have to buy it with that piston too which make sit cost 200 bucks. Best bet is to buy one of the OTTP pulleys.


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Sadly Leafy, I found that out. I think I've got part numbers for replacement pulleys, but by the time I found some with the right specs the parts store was closed. I'll be headed there first thing tomorrow.

I got it all situated. I bought 2 pulleys and replaced both of them since I was in there already. Gates part numbers 38009(76mm x 17mm x 25mm) and 38008 (70mm x 17mm x 25mm). NAPA numbers were the same. They are a little bigger pulley than the OEM, but I'm running a 3.0 SC pulley. I can't guarantee it will work with bigger SC pulleys. A little bit of grinding was needed to ensure they didn't rub.