I had a squeel for a while from the A.C. It sometimes stopped when I turned off the A.C. but with time the squeel persisted and finally the Serp Belt broke bad.
Luckily, while on the road, I found a repair shop within a mile of where the belt broke. He examined the belt and suspected a bad a.c.
The wheel spun OK so he put on a new belt. He pointed out to his Kid helper an connector down below where he was working, and instructed him to disconnect it. The Connector was down along side the V belt housing.
After I pulled away from the shop, the Check Engine came on and it idled very high continuously. The Engine Light did not go off after 50 miles, and it continued to idle very high and was rough.
I'm wondering if the Kid disconnected the wrong connector (there's another one inches away down below).
I'm wondering if I should plug it back in and just pull the A.C. fuse or something????
Any Help appreciated
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Re: Toyota Echo 2002 A.C. and Serp Belt
Plug the connector back in & pull the AC fuse. You probably have the beginnings of a "locked up" compressor. The pulley will turn if the engine and the AC is off. When the compresser clutch is engaged, and the compressor is locking up, it will overheat & snap the serp belt.
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to replace the serp belt you'll need to release the tensioner in the system remove the old and install the new the issue always is the proper routing for the belt follow the diagram under the hood watch the routing as you remove the old belt if a diagram isn't available under your hood request one upon the purchase of your new belt sometimes the parts store will loan or rent you the tools you need for belt replacement
try cleaning the cogs that the belt runs around some times the belt puts a layer of rubber on them when the belt slips which makes the new belt slip if not could be a bearing in the pullys the belt runs around
Squealing is usually an indication of belt wear. Check the underside of the belt for worn or "shiny" spots. If it's worn it's slipping and is most likely not only the cause of the squeal but could impact the charging and cooling systems.
If the belt is in good shape and/or has been replaced recently, it may just need to be tightened. All new belts develop some play after initial installation after they have "broken in". If the belt is in good shape and is tight, the problem most likely lies elsewhere (bad bearing in waterpump or power steering pump, or alternator) I hope you found this post helpful. Best of luck!
The Toyota Echo does not have a timing belt - its a timing chain. As such - provided the correct service schedule is followed a chain is expected to last the life of the engine and does not normally need to be renewed. There is no prescribed renewal interval for the timing chain on these engines.
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Sounds Like its Time for Serpintine Belt, I Recomend "GATORBACK BELTS" < By GOODYEAR they Are more Expensive But have A Much LONGER "NO SQUEEL" Life Compaired to The Average Belts.
So just Have It / THEM Replacd. Hoping this Helps!
replace ac pulley bearings or grease them if not that take all belts off see what pulley is harder to turn by hand and replace but you dont try turn crank pulley i think ac compressor bearings are going or pulleys not alined
Did you check under the hood? There should be a decal w/ the proper routing of the belt somewhere in or around the engine compartment. If u can't find it, let me know, I'll try to get more info. countrycurt0