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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 20, 2019 11:11 pm 
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Crank Case wrote:
Picard1701 wrote:
...No rust...


You didn't look hard enough :D

I took the exhaust manifold off to get better access to somewhere around the rear of the engine where oil is leaking. It's leaking on to the exhaust and it stinks.
Loathed to spend any money/excessive time on it as I have a rebuilt engine to go in, I had a good look, couldn't source the leak and put it all back together and took it for a spin after putting a can of Wynn's engine stop leak in the oil.

Now I need to bleed the system too :roll:


Cork gasket at the back of the cam tower is a usual suspect for this, though I'd expect you thought of this before removing the headers.......

Stuart

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 20, 2019 11:19 pm 
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scam75 wrote:
Crank Case wrote:
Picard1701 wrote:
...No rust...


You didn't look hard enough :D

I ...oil.

Now I need to bleed the system too :roll:


Cork gasket at the back of the cam tower is a usual suspect for this, though I'd expect you thought of this before removing the headers.......

Stuart


I wish it was. Easy access too. I think it's coming from the rear of the sump gasket.
It will all be resolved when I finally get the time (and space*) to put the rebuilt
engine in. To say I cannot wait would be an understatement.

*Just submitted plans for to build double garage - 6.1m x 7.4m :D

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Wed Aug 21, 2019 7:27 pm 
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Location: South Somerset
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I've got a similar problem on my S2 Cab.Oil leak apparently on the sump gasket blowing onto the exhaust manifold , creating lovely smells.Having messed around for several months trying to cure it ( to no avail ) , I had the nearside of the car jacked up and engine running and saw oil peeing out of the rear of the lower balance shaft housing.Turns out that there is an O ring sealing the rear of the housing around a circular plate.The plate was loose !!. The O ring is £2.95 from an OPC , but to replace it you have to:
1. Remove the exhaust manifold
2. Jack the engine up and remove the O/S engine mount
3. Remove all belts and sprockets from the front of the engine
4. Remove the plastic backing plate behind the belts

Only then can you remove the balance shaft housing to replace the O ring.
So far I have had two attempts and got to the end of stage 2!!

Aiming to do it next month when I sorn the car and replace the belts anyway.
It is a pain in the £*&%* but am fairly sure that is where my problem is.
Might be worth you checking this , as the oil seeps out and runs along the sump gasket to the rear of the engine where it drips onto the exhaust.

Good Luck!!

Toby


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Wed Aug 21, 2019 8:43 pm 
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Tabman wrote:
I've got a similar problem on my S2 Cab.Oil leak apparently on the sump gasket blowing onto the exhaust manifold , creating lovely smells.Having messed around for several months trying to cure it ( to no avail ) , I had the nearside of the car jacked up and engine running and saw oil peeing out of the rear of the lower balance shaft housing.Turns out that there is an O ring sealing the rear of the housing around a circular plate.The plate was loose !!. The O ring is £2.95 from an OPC , but to replace it you have to:
1. Remove the exhaust manifold
2. Jack the engine up and remove the O/S engine mount
3. Remove all belts and sprockets from the front of the engine
4. Remove the plastic backing plate behind the belts

Only then can you remove the balance shaft housing to replace the O ring.
So far I have had two attempts and got to the end of stage 2!!

Aiming to do it next month when I sorn the car and replace the belts anyway.
It is a pain in the £*&%* but am fairly sure that is where my problem is.
Might be worth you checking this , as the oil seeps out and runs along the sump gasket to the rear of the engine where it drips onto the exhaust.

Good Luck!!

Toby


Cheers Toby but as I said: I have a (partially) rebuilt engine ready to go in.
All seals bar the front end crank shaft oil seal has been replaced*, new water pump, every conceivable bolt and jubilee clip in stainless steel. new belts, new rollers (Continental kit), rocker cover/cam carrier gasket, inlet manifold gaskets, exhaust manifold gaskets, thermostat, oil pressure sender unit, sump gasket, all O rings, new cork gasket at rear of camshaft carrier, engine coolant sensor, oil cooler gasket... etc etc. Basically everything that I won't have to worry about for a very long time and I don't have the concern that the engine will need pulling out or cross member removal for jobs like replacing the sump gasket.
The problem with one of the balance shafts was a) one threaded bolt hole which required re-tapping - I tapped it to 7mm b) the Loctite 574 was a pig to apply - horrible applicator. I wasn't happy the first time, lost half a night's sleep, took it all apart and re-did it.

Those balance shafts are sooo much easier with the engine on a work stand.

You can borrow it if you want :D

*Could not remove the crank shaft pulley. I figure that if I need to, I can do it when the engine is installed at some future point. There's no sign it needs doing. I have a flywheel lock. I bought all the fitting tools for doing cam and balance shaft belts.

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Work - Fraud Transit van, skip, bus...
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Aug 26, 2019 10:03 pm 
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Fed up with getting covered in black brake dust anytime I move the wheels in the garage, I cleaned them today- even used fallout remover too! By heck does that stuff live up to its name of dragons breath :shock:


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Aug 26, 2019 10:11 pm 
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51rider wrote:
Fed up with getting covered in black brake dust anytime I move the wheels in the garage, I cleaned them today- even used fallout remover too! By heck does that stuff live up to its name of dragons breath :shock:


I really should get round to fitting the dust covers I ordered.
Have you tried brake cleaner such as?:

Image

I use it on everything. Great for cleaning. Cheap as chips.

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Work - Fraud Transit van, skip, bus...
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Aug 26, 2019 10:25 pm 
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Rob,

I buy it 5 litres at a time, so much cheaper and a pump sprayer that can handle the stuff, that was quite expensive but it’s lasted about 30 litres of cleaner in 3 years or so

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Aug 26, 2019 10:55 pm 
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Waylander wrote:
Rob,

I buy it 5 litres at a time,...


:D

What brand do you get? Do you fill up a sprayer bottle or is that 5 litres in aerosol form?

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Fun - 944 2,7 Lux '89
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Work - Fraud Transit van, skip, bus...
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 27, 2019 12:07 am 
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Just fill up the sprayer bottle

Depends who has the best deal, GSF, Euros normally pay about £5 for 5 litres and the brake cleaner pump up sprayer was £18

Not sure how much 30 litres in aerosols would cost

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 27, 2019 10:03 am 
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Waylander wrote:
Just fill up the sprayer bottle

Depends who has the best deal, GSF, Euros normally pay about £5 for 5 litres and the brake cleaner pump up sprayer was £18

Not sure how much 30 litres in aerosols would cost


I pay £3.62 for a 600ml Holts aerosol through my Dingbro account.
They also stock Innotec, which is a 'straight' cleaner. It's a little bit pricier but their de-blocker is excellent, so i'm willing to give it a try.

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Work - Fraud Transit van, skip, bus...
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 27, 2019 5:58 pm 
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I see GSF have 5L of brake and parts cleaner with the 60% discount at £8.16

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Aug 27, 2019 9:02 pm 
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Waylander wrote:
I see GSF have 5L of brake and parts cleaner with the 60% discount at £8.16


Good spot.

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Rob

Fun - 944 2,7 Lux '89
Old gentleman - Merc C220 '95, Elegance, almost mint
Work - Fraud Transit van, skip, bus...
Dream time daily - 3.6 997


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Sep 03, 2019 1:55 pm 
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650+ Trouble Free Smileful Miles to Spa and back for the GP..

Amazing car, absolutely fell in love with it, and have decided I need to keep it.. Some how.. I'll find a way of keeping it..!


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Sep 03, 2019 6:15 pm 
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Yep, they sure get under your skin.

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Fun - 944 2,7 Lux '89
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Work - Fraud Transit van, skip, bus...
Dream time daily - 3.6 997


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Tue Sep 03, 2019 6:50 pm 
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They seem to get under your skin more than any other car make

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