Laughngethigh Posted October 16, 2009 Share Posted October 16, 2009 My engine was squeaking alot, so I looked under the hood and somehow the pulley for the AC belt was off axis and the nut was loose. I tightened it but am not sure if the pulley slipped any. Whats the correct way to tighten the belt? Link to comment Share on other sites More sharing options...
987687 Posted October 16, 2009 Share Posted October 16, 2009 Is this the pulley on the engine, or on the AC compressor? Link to comment Share on other sites More sharing options...
Laughngethigh Posted October 16, 2009 Author Share Posted October 16, 2009 Its the pulley on the compressor. It would also help alot to know what size nut to replace since I stripped it a little. I didn't have the right socket. Link to comment Share on other sites More sharing options...
kaz98gt Posted October 16, 2009 Share Posted October 16, 2009 I seem to be having a squeak as well but it might be a different cause...when does the noise happen? When the engine is hot? When it is under any load (transmission in gear, A/C running)? Link to comment Share on other sites More sharing options...
Laughngethigh Posted October 16, 2009 Author Share Posted October 16, 2009 It was squeaking as long as the engine was on and when I gave it gas. Now that I tightened the nut it stopped, but I still hear a squeak every so often. That might be becaue its rained here the past few days Link to comment Share on other sites More sharing options...
Laughngethigh Posted October 20, 2009 Author Share Posted October 20, 2009 So after a thorough inspection of my belt Ive noticed that it is also not sitting it the right grooves from the main pulley. So once I figure out what size nut i need to use the right socket, Ill loosen the belt, sit it right, and tension it. Please help with my original post Link to comment Share on other sites More sharing options...
rmb2485 Posted October 21, 2009 Share Posted October 21, 2009 Easiest way to figure out the size of the nut is to take it off, bring it to a hardware store and find the bolt that it fits on. Most good hardware stores have a board with nuts and bolts lined up on it for exactly this purpose. Link to comment Share on other sites More sharing options...
rmb2485 Posted October 21, 2009 Share Posted October 21, 2009 And to answer your original question, you tension the belt by moving the idler pulley on its bracket. For a used belt, the 1998 FSM calls for 9-10mm of play in the belt. To check the tension, put a straight edge along the belt between the crank pulley and the AC compressor pulley, then push on the belt and you should have a 9-10mm gap between the belt and straight edge. Link to comment Share on other sites More sharing options...
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