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Discussion Starter · #1 ·
After a spell with the dealer to check out high speed/boost "hiccup" problem, dealer confirms turbo wastegate seized. As expected, they wanted to replace with new turbo unit
(£700) but told them NO THANKS! Otherwise turbo is ok, understand that it may be possible to 'release' this stuck wastegate....any suggestions on how best to go about it?
Also, must compliment the 'local' SAAB dealer on exceptional service....changed a long run of vacuum pipe, replaced torx bolts on DI Unit and adjusted valve timing which was a wee-bit out and checked and advised on the "hiccup" problem....all for NO CHARGE! I almost insisted that they wash and vacuum the car but that would have been pushing it a bit!
 

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Hmm. Depending on how brave you feel...

I've not personally heard of a stuct wastegate before, although others may have. I *wonder* if it's not a failed actuator. One possible way to check is to get underneath and unhook the actuator arm from the wastegate and try moving the wastegate manually. There should be very little resistance and you can feel it close. A new actuator can be had for £90 or less.

Whichever way, i wouldn't go the whole hog on a new turbo. £700 quid is steep- I only paid £540 for a hybrid with 360 deg bearings (plus fitting). A guaranteed recon unit would be a good option.

Mark
 

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Yes, it's quite a common problem.

I had my turbo exhaust casting replaced about 5 years ago when it stuck (my wastegate shaft wore the casting hole oval).

Others have found theirs stuck because of a soot build up.

Andrew

oops edit - mine was a mitsubishi td04hl
 

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I recently contacted TurboTechnics about a replacement turbo(Garrett),they were very helpfull ,offering to collect the turbo,give an engineers report as to its failure,without cost,if a new unit was then required it would cost £450 + the usual Government ransom.
Mike
 

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What Garrett is it? not sure if it applies to all but you should be able to remove the wastegate with the turbo in situ if its anything like the T3 on my 900.
If not try spraying WD40 on the wastegate shaft whilst trying to free the shaft up, it might just need a little bit of lubrication.

Pete.
 

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mutungi,

had this problem on mine, cos I was doing the head gasket I took the whole manifold turbo unit off and sprayed liberally with WD40 which has cured the wastegate problem totally. So I guess mine was only soot, which is the most likely cause. You could try WD in situ, but I don't know whether you could get it into the shaft.

Neil
 

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Discussion Starter · #7 ·
Thanks all for the tips ....this morning I got under the car with a thin long lever, rested it against the wastegate pivot pin and gently tapped it several times which unseized the wastegate , can now move by hand without much effort, it looked that this was seized for quite some time and also the pin and the locking ring was missing off the actuator rod. Got a set from SAAB and fixed it as required. Hopefully, now with the seized wastegate no more, the high boost "hiccup" problem will have gone.....tested locally without problem but awaiting a motorway test where the thing goes like a space shuttle!
 

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Congrats Mutungi!

Mind you, you do realise that you might have seriously p****ed off a load of people who've had their entire turbos replaced by unscrupulous dealers
becuase of the same problem...

Having said that, if you get a chance ever it might be worth getting inside to see if there's any deposits etc that have built up and caused the problem, otherwise your tyre burning joy may be shortlived

Mark
 

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Some of you may remeber I posted a comment on this in the past.

In short, had same problem as Mutungi. Saab dealership (Cardiff) checked car and said, Turbo sooted up = new one at >£1,000 inc fitting!! And that ICV was faulty (which it was not - simply that seized wastegate caused ICV problem balancing). And then charged me £40 for the duff info! They did eventually give it back as a matter of principle!

Took my car to a local garage/friend, who removed turbo, cleaned wastegate out, and fixed problem for £50.

Many Turbo specialists said they would fit a recon unit for several hundred. Only one said that this was a common problem (as it is), and that any (reasonable) garage could clean unit for a nominal fee!

So don't get ripped off folks if it happens to you..!
 
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