Smoke in Engine compartment - Need Help!

My unscientific opinion is that something has seized and the belt is rubbing on it/over it.

- belt tensioner pully
- water pump


Kai

 

Very bad boy of you not to investigate further.

Left side of the engine has timing belt for 5-8 bank, and AC compressor.

 

Ha, that's right. Maybe the AC compressor seized...

Kai

 

This is something to check into NOW! If it's the A/C compressor it's not a real difficult fix. If it's the water pump or timing belt tensioner, the engine comes out.

This isn't something you can afford to ignore.

 

I thought that the alternator was on the driver's side and the AC compressor on the passenger's side.

 

Check your p/s belt

 

Party at Peter's house let's take it apart! Sounds like bearing seized then belt friction burning on the pully. Don't start the car any more until it is diagnosed. Some things are engine catastrophic. Some things are simple and cheap like $150 rebuild and a new belt. Get the number of the belt to me or Plugzit because we may have the belt in hand. Also, plugzit might have bearings too.

 

Get under there and see what belt is burned up.

If you take off the belt the a compressor clutch should turn freely it's it engaged so it just spins and spins...

 

Do you start the car with the AC on? If not, it's probably not the ac compressor. Yes, immediate attention is required. As for the recent major, it may or may not have included the tensioner bearing for that belt. I suspect not, and that's (hopefully) the problem, as it's a cheap and relatively easy fix. Also as to the recent major, it's hard to know if a bearing is "about to fail", whether a week, a year, or five years, so if that bearing in the, let's say, alternator, goes bad six months later, then you really can't blame it on a sup-par service. What I'm saying is that just because it had a major service doesn't mean that something can't go wrong later.
BTW, squealing belts and bearings, even for a second, always requires immediate attention to identify the guilty party. Something is dead.

 

Ferrari swapped sides from 348 to 355. Must have something to do with the single t belt and double t belt packaging.

 

I suspect if you remove the A/C compressor belt and the alternator belt and give both a good whiff, you'll be able to tell just from that if either are involved in the problem. Hard to mistake the smell of burnt rubber.

 

That sounds like a bad bearing to me. I would not start the car anymore. Check the simple things first, alternator tensioner bearing, a/c pulley. If those check out then it could be an engine out deal to replace the tensioner bearings, idler bearings, and or the water pump.

 

I don't think anyone answered but you could turn them with tools but my opinion is without taking off the belt you won't be able to feel if a bearing is gone or going. Also no buddy mentioned this but if you coolant dripped on a belt it will squeal for a long time.
I replaced my coolant thermostat and spilled some coolant down onto belt this caused squeeling belt. Possibly a coolant leak?

 

Of course after reading your op again probably should not start smoking from a slipping belt aventually the heat would provide enough friction the pulley should start to turn.

 

I used to have these squeaks come and go. I forget which belt was the culprit but I know the sound went away when we tighten the tension on the accessory belt. Doesn't mean you don't have a bearing failure, just the issue with mine. Check that **** bro,

 

A loose belt will certainly squeal like a stuck pig, but typically won't generate smoke like he complained about. That's usually a belt being drug across a non moving part thus generating lots o' heat and friction.

 

When my car did that, it was a bearing in the gearbox that gave up and caused a part of the casing to break, in turn letting oil out onto a hot engine, provoking smoke. Obviously the initial reaction or thought was water pump/AC, but in the end, it was the gearbox. The result was a damaged central shaft and the decision to substitute the whole gearbox with another one. Now the car runs fine.

I recall that the squeal in my case was related to speed but not revs, not sure how a water pump or AC bearing failure would react to rpms.

Good luck and keep us posted.

 

keep us posted

 

+1

 

No.