is this belt pulley supposed to be slightly tilted? - Toyota Nation Forum : Toyota Car and Truck Forums
1st & 2nd Generation (19831986 & 1987-1991) Toyota Camry Discussion for years: 1983-1986 & 1987-1991. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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#1 Old 12-13-2012, 06:50 PM
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is this belt pulley supposed to be slightly tilted?

I have a 1990 Camry DX 4-cylinder (manual). Driving to work today I noticed my alternator light was on, and earlier when I started the car, it squealed a bit. I popped the hood to check the alternator but found the belt to be split into three pieces and off all the pulleys. About two weeks earlier I drove about 90 miles to another town for a celebration, but when I got there, white smoke (or some kind of vapor) was coming from somewhere around one of the bottom pulleys (I couldn't tell the exact location since it was dark by that time). I didn't smell burnt rubber, but I did smell what I was sure was coolant (I could smell it even inside the vehicle). Anyhow, made sure all fluids were good (put power steering fluid and a small amount of coolant in) and had absolutely zero problems until today. My friend noticed that the pulley on the water pump looked to be crooked. Is it normal for it to be like this? If not, what can be done to change it? (btw no vapor or smells today, just a shredded belt. And sorry for the crummy cellphone pic)

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#2 Old 12-13-2012, 07:02 PM
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NO

They should all line up. Something is bent or broken there.


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#3 Old 12-13-2012, 09:10 PM
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Thanks. Inspecting it a little closer, the pulley does have some play to it. Not a ton, but it is a little loose. Is this one for a computer geek and his more mechanically inclined buddy, or would it be worth the cost to take it in to a shop?
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#4 Old 12-13-2012, 11:15 PM
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i can see the amount of play you have from the photo. Your AC compressor is in line with all the other pulleys, but the AC compressor pulley looks like is has almost 1/8-1/4 inch play on the clutch. Not good.

Im not sure how to fix that myself

1990 Camry LE 2VZ-FE Auto 310,000 miles
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2011 Civic EX R18A1 Auto 35,000 miles
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#5 Old 12-13-2012, 11:22 PM
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That is not the waterpump, tis the AC compressor. The WP is driven by the timing belt.

It depends...I'd put another belt on it and see what happens. IF, your old belt was in good shape, I'd say that you have problems. But, you didn't say what kind of shape your belt was in, before it broke up.

You can replace just the AC pulley, w/o changing the compressor.
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#6 Old 12-14-2012, 12:09 AM
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Quote:
Originally Posted by Stinky1 View Post
That is not the waterpump, tis the AC compressor. The WP is driven by the timing belt.
That's a relief. My buddy thought it was the water pump. Hmm...that reminds me, the AC has never worked all that well. Duh.

I'll get another belt on there so I don't have to charge the battery every night. Then work on replacing that pulley. Thanks.
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#7 Old 12-14-2012, 11:04 AM
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if your ac has never worked, go to the dealer and get the accessory belt minus the ac. Itll just route from the crank pulley to the alternator, and youll feel more power too

1990 Camry LE 2VZ-FE Auto 310,000 miles
1991 Camry DX 2VZ-FE 5-Speed 108,000 miles
2011 Civic EX R18A1 Auto 35,000 miles
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#8 Old 12-14-2012, 10:41 PM
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That's what I'll have to do now. We put a new belt on, but after a few miles the center of the pulley popped out and started grinding against the inside of the frame. It's toast. I'm used to not having AC, so I don't think it's going to be worth it to get that fixed.
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#9 Old 12-15-2012, 09:25 PM
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I had it too!! The snap ring securing the pulley on the a/c comp snout was broken (it was NOT because of the bearing wear in the pulley as I suspected!!)
I went to the junk yard and bought clutch assy from freshly rebuild compressor.
had fun swapping it without disconnecting compressor or lower rad.hose





Last edited by Doctor J; 12-15-2012 at 09:27 PM.
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#10 Old 12-15-2012, 11:40 PM
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That's tight. Good you could do it without breaking an arm and a leg. For me, my patience would probably get broken pretty quick!
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#11 Old 12-16-2012, 12:21 AM
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I just had my AC system professionally vented then removed the compressor. I didn't miss the AC at all and the little boost to power was very nice.

'88 Camry All-Trac DLX 5SFE 5-speed manual
'91 Camry base-model 3SFE 5-speed manual
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#12 Old 12-16-2012, 08:45 AM
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It took about 2 hours to do (thanks to the home-made hub locker/ rulley remover / installer tool)
The first sign of trouble was the "skateboard" noise when turning a/c off; that noise lasted few minutes.
The snap ring wore at the area it contacted the inner race of the pulley bearing; that inner race is DESIGNED to rotate slowly (maybe 1/2 degree per hour of engine operation) on the compressor snout to prevent bearing wear in one spot (that is why the bearing lasted 25 years and had no play). However, the over-tensioned belt can cause bearing race to press sideways on the snap ring and wear it out (race surface is a lot harder than the snap ring).
Similar thing could happen after retrofitting to 134a because the compressor must work harder.



Measuring device to get the right pulley to hub clearance



Hub wear made by crooked pulley

Last edited by Doctor J; 12-16-2012 at 08:49 AM.
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#13 Old 12-18-2012, 07:09 PM
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On my 87 the AC pulley bearing was shot. When rebuilding the engine, I replaced the bearing. Cannot get one aftermarket even from bearing store. I found one from Adam Barczyk in Pennsylvania.
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#14 Old 12-20-2012, 02:27 AM
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Thanks to everyone for the helpful knowledge and advice. Just a few hours ago we pulled the AC compressor out and put in the shorter belt. It was a relatively easy job. Things are running good, and that's one less point of failure.
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#15 Old 12-20-2012, 11:40 AM
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kwhit, thanks for the info. My reason for replacing the bearing, a shorter belt won't fit with the compressor pulley in the way.
The AC is not working so I may as well remove the compressor.
What size belt did you use?
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