Turbo life - Alfa Romeo Forum
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Turbo life

Hi Guys,
Been having lots of problems with the turbo not providing proper boost.
Everything has been apart, cleaned and replaced. A definite improvement for a while, but the problem is starting to return.
The chaps that did the work say that all the valves and ancillaries are working ok, so that just leaves the turbo itself.
Can anyone help with the expected life of the turbo please?
The car is a GT 1.9 JTD, 2007, 72,000 miles.
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Originally Posted by Kevin27 View Post
Can anyone help with the expected life of the turbo please?
Depends on driving styles, oil change interval, EGR system functionality, air-filter change interval etc...

Get a good one, look after it, and it'll look after you... Get unlucky and pick up a JTDm which has been thrashed about and mis-treated, and you could be landed with the bill when the turbo dies...

Been convinced to half the oil-change interval to every 6000 miles here, just to help the turbo out really!
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(Post Link) post #3 of 6 Old 01-02-16 Thread Starter
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Thanks for the advice Ed.
The turbo has had a good life with my driving style, but I can't vouch for the first 13,000 miles.
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At 115k miles, my turbo is fine.

If you want genuine help, you have to say whats been done already to cure it. Who are the people working on it - are they alfa specialists or somebody else etc etc.

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Had mine reverbished at 52000 , it started whistling, seems a seal had perished inside of it , 600 inc vat . 19jtdm 56 plate got a none whistling turbo now , happy days
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mine is on 102k and is being replaced with a hybrid this week along with MAF,MAP and wastegate solenoid and all vac hoses.

my feeling on them is that with a non remapped car and very ''sedate driving'' I have seen them go 160K+ miles but on average they can go anywhere from 75k-110 and I think that would be considered normal by most.

when I contacted red dot racing about custom mapping my GT he asked how many miles on the current turbo and I said coming up to 100k, the reply was ''on its way out'' so I elected to do preventative maintenance, I was right as in the 2 weeks it has taken to source a donor Garret unit and get it to turbo dynamics the car has been losing power and going into limp mode, clears up on re-start but boosting late and is generally more sluggish than normal and down on power.

there are two approaches to any turbo problem, the first and most common is remove and clean sensors and turbo and re-assemble, to my mind that is no more than a ''stay of execution'' at higher mileages as on a turbo diesel the VNT are likely to be sticking given how mucky the exhaust gasses are. it seems also that the specific problem is sometimes very hard to track down and can easily take an hour or two of labour charges to discover it (if you are lucky!)

given that can represent 120 at least in labor and generally a bit more, in my mind the best policy is to just replace all of the turbo related sensors and hosing, yes it is potentially more expense but gives you a clean slate and another 100k with no turbo related issues and no further visits to the garage or breakdowns/limp mode

I just got a Bosch genuine Maf from ECP for 132 inc vat a Bosch Map for 50 inc Vat and from shop4parts a wastegate solenoid for 63 (genuine Alfa but still a Bosch unit) so for about 240 you can almost Guarantee the problem will be sorted unless in fact its the turbo.

as mine is being replaced it should come together nicely.

if you are handy with the spanners and can just change out the Chra in the turbo I think you could probably DIY the lot for 400-500, the only reason I have elected to have my turbo fitted at AL is because if it goes wrong and I fitted it myself I do not have a leg to stand on..plus of course Loz,Paul and co at AL south always do a fine job and I trust them implicitly.

what I am saying is where turbo's are concerned it might be more cost/time effective to just replace stuff when you get to 100k + miles.

my tuppence.
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