Toyota supra

[veg]

My twin turbo 98 Supra is squealing and producing huge plooms of white smoke. Any ideas as the garage it is at have no idea

[deltaf]

White smoke is usually antifreeze being burned.
Most likely youve got a head gasket/block fault.
Take it to someone who deals with them(toyotas) not the everyday back street monkeys.

[zzr1200]

If your turbo's are oil and water cooled it could be the turbo seals gone or a crack??

[stevieturbo]

They are notorious for blowing head gaskets/warping heads.

[lanciachris]

As its squealing possibly the water pumps seized / bearing bad.

[TommoFocus]

Oh great! My Toyota Aristo TT (Supra MKIV engine) is producing a little white smoke on startup, then on leaving it to idle and mashing the accelerator it produces a small amount of white smoke. I thought it might have been the Valve stem seals need replacing however it could be the gasket..... ARSE!

[kevinday]

No doubt DeltaF will be along to correct me if I'm wrong, but stem seals would normally produce blue smoke (oil) whilst white 'smoke' is indicative of water problems.

[cptsideways]

White smoke is water, I'd suggest a damaged turbo (the squeal) I assume its using water?

What is the noise related to?, engine speed, load, turbo load? more info please

[steve_D]

Pull the spark plugs. The ones that appear steam cleaned are just that and point to where the problem is.

Steve

[veg]

Thanks.

The turbos are out and were in a state (the car has done 80000 miles). They've been reconditioned and the garage but them back and yes squealed again!

Will look at plugs but either way doesn't look good.

[TommoFocus]

Hmm as per the suggestion that its burning antifreeze, its defiantly got a problem as the coolant expansion tank is bubbling and the exhaust is producing silly amounts of steam. Time to take out a loan I think coz the gaskets are at least £100.

[stevieturbo]

As I said. These cars are notorius for blowing head gaskets.

Lets just hope the head hasnt warped too badly.

[cptsideways]

Make sure they check the head bolt length before they refit them or you'll have the same problem all over again in a month or so if they are stretched

[lanciachris]

Or just get new head bolts like any sane individual do you really know how many times that heads been off and the bolts reused?