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 Post subject: Headgasket symptoms on my 8v
PostPosted: Sat Dec 10, 2016 6:42 pm 
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Joined: Mon Dec 05, 2016 5:00 pm
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After finally getting all the niggles sorted to make a good daily
Driver I could rely on, the headgasket has gone! The car is an 83
with 120k on it. Clutch is thousand miles old, new cambelt and rollers
In Feb and OK cooler seals in May.

It will need a water pump too as that is old but if I get the job done, I am guessing after the pump
And a skim it will be a grand, will it escalate and bring other problems for
Being taken apart? Not sure whether to sell as project. Anyone had theirs done
and did it cause probs afterwards? Many thx


Last edited by Mark24 on Sat Dec 31, 2016 9:58 am, edited 2 times in total.

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 Post subject: Re: Headgasket gone on my 8v
PostPosted: Sat Dec 10, 2016 7:18 pm 
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Joined: Wed May 27, 2015 8:03 pm
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Its a pretty simple job to remove and refit the head on one of these and then
outsource the surface grind and pressure test.


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 Post subject: Re: Headgasket gone on my 8v
PostPosted: Sat Dec 10, 2016 10:16 pm 
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Thanks. I was looking online earlier on the 'how to' stages and it didn't seem to bad.


Last edited by Mark24 on Sat Dec 31, 2016 9:59 am, edited 1 time in total.

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 Post subject: Re: Headgasket gone on my 8v
PostPosted: Sun Dec 11, 2016 4:53 pm 
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Joined: Wed Aug 19, 2009 12:44 pm
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Location: Glasgow
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The headgasket on these engines has a typical service interval of 10 years. Often they can last longer but on removal you will most likely come across a disintegrating gasket which is just holding on if it has not let go. All 944's on the road will most likely have had the HG done by now. It's not that difficult and the usual HG drills apply, nothing different from any other car. I had a very light skim done on mine when the HG was done and the car has been faultless since, about 30k miles ago now.

Stuart

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'90 944 Turbo - Sunroof delete, Factory bridge spoiler, CS wheels, CS steering wheel, 1st MY90 turbo in UK

Promax L2 chips, SciVision MAF, Lindsey DPW, MBC, Forge recirc valve, 3 bar FPR, K&N panel, GAZ Gold, wideband AFR, Sytec Motorsport Fuel Pump.


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 Post subject: Re: Headgasket symptoms on my 8v
PostPosted: Sat Dec 31, 2016 10:07 am 
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I may have diagnosed it incorrectly! It was airlocks in the system and a lot
of condensation from it being unused for a few weeks. I had some time
over Christmas and flushed the system through. It was better but ran hotter
than normal. I tried running the engine with the bleed screw open which
expelled a lot of air and it started to run a half but there was still white smoke
from the exhaust.
Remembering last winter when Augmented 944 told me
condensation could take 10 miles to burn off I went for a drive. 40 miles and
No overheating. When I returned, no more smoke!


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 Post subject: Re: Headgasket symptoms on my 8v
PostPosted: Sat Dec 31, 2016 10:12 am 
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Joined: Thu Aug 20, 2009 11:58 pm
Posts: 1296
Location: Warwickshire
Yup, these are a pig to bleed right. The Turbos are worse here.

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Ex Owner of a 1989 944 S2 and a 1991 944 Turbo (Ex Andrew Sweetenaham (ProMax) car)

Now Porkerless! Now with a 2003 BMW M3 and 1991 Mercedes W124 250D


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