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  #11  
Old 17th January 2019, 12:13 PM
MikkiJayne MikkiJayne is offline
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Mmm I was thinking about that too. I think a couple of hot air blowers on the block to warm it up from the current balmy 2° and fill it from the kettle

I might stick a vid of the shenanigans on youtube, so if I die in the process at least it's recorded for posterity
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  #12  
Old 17th January 2019, 01:39 PM
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Architex_mA8tey Architex_mA8tey is offline
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Quote:
Originally Posted by MikkiJayne View Post
Mmm I was thinking about that too. I think a couple of hot air blowers on the block to warm it up from the current balmy 2° and fill it from the kettle

I might stick a vid of the shenanigans on youtube, so if I die in the process at least it's recorded for posterity
Can I have the keys to the workshop and all of your vehicles if you kill yourself?
#vulturemode
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Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange
2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee
20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble
Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior
Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble
Audi A8L D2 4.2 Petrol with LPG - Ebony Black
Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black
Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior
and some other A8's A8L's and Mercs
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  #13  
Old 17th January 2019, 03:49 PM
MikkiJayne MikkiJayne is offline
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Quote:
Originally Posted by Architex_mA8tey View Post
Can I have the keys to the workshop and all of your vehicles if you kill yourself?
#vulturemode
Well damn! In before the body even hits the floor
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  #14  
Old 17th January 2019, 04:05 PM
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The_Laird The_Laird is offline
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If it’s that risky, could you do it after Easter please?

For the other members, that’s when my S8 is going to see The Doctor!
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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  #15  
Old 17th January 2019, 09:56 PM
MikkiJayne MikkiJayne is offline
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Started stripping the engine in preparation for cleaning - outside and inside!

Locking tools in place in prep to remove the timing gear



The oily crud is a centimeter thick in places



Three paint marks still does not excuse bodging the timing belt job!



Timing gear off



Manifold next as there are two coolant pipes and a ton of oily crud under it. Before removal all this oily crud has to be removed otherwise it will fall in the inlet ports. This is looking down under the fuel rail, in between the head and manifold.



MJ's patented 'sucking crud out of small spaces tool' Loosen the dirt with a pokey stick first, then suck out as much as possible with this tool



Then, spray with brake cleaner to get rid of all the oil, scrape and vacuum again, and then blast it with compressed air to leave this:



Now the manifold can be lifted off. Ew.



More oily sand under the inlet gasket. This is removed very carefully with the vacuum and a cocktail stick to loosen it, then cotton buds soaked in more brake cleaner



Much better



No oily sand in the ports. If you drop grit down here taking the manifold off on a port with the valves open then it will drop in to the cylinder and score the bores as soon as the engine is turned over. Loss of compression follows and the engine only has a limited lifespan left. The only way to get the dirt out is to remove the head and hope the piston isn't at the bottom of the bore. That's why its essential to clean all the grit out before removing the manifold! Its also why I will never buy one of these engines if the manifold has been taken off by someone else since the engine is effectively scrap at that point.



You can clearly see the injector spray pattern here where it washes the carbon off the inlet ports. This is what the FSI engines are missing (since the injector goes directly in to the cylinder) so the black stuff just builds up and chokes the engine. On port-injection engines like this the carbon deposits are normally a film no thicker than paint on the port walls.



Inlet ports taped up to stop any fod getting in there until the manifold goes back on.



Out of focus, but the thermostat is not as bad as I was expecting



Its quite a light emulsion which hopefully will be fairly straightforward to clean



Yuk!



Water pump out - again, not that bad



Ready for cleaning tomorrow





I'll clean out what I can by hand first then probably make up some plugs and adapters for the various holes so I don't have to fit any of the external pipework back on. I found some Forte cooling system degreaser which is specifically designed for this job. Someone gave it to me (Dean or Bert maybe?) and its just been sitting on the shelf. Kinda handy! Once I've cleaned what I can from outside, I'll plug up the holes and fill it with the Forte and hot water and then spin the pump to move it all around.
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  #16  
Old 17th January 2019, 10:07 PM
gninnam gninnam is offline
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Respect

Did something similar a year or so back but on an air cooled VW engine - not quite the same
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  #17  
Old 17th January 2019, 10:39 PM
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The_Laird The_Laird is offline
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Have you thought about Mastermind MJ? Specialist subject is clear, how’s your general knowledge?
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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  #18  
Old 17th January 2019, 11:16 PM
HPsauce HPsauce is offline
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I'm intrigued; what engine is it exactly, how many miles has it done, where did it come from (and why) and what is it destined for?
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions, ski hatch retrofit; extended leather. Aftermarket DVB-T, reversing camera and full XCarlink (Bluetooth etc.).
2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". (A much rarer model than a D2 S8 by the way!) Oh, and a brand new engine at just under 30,000 miles on the factory one!
Finally: gone, but not forgotten.....
1998 D2 PF S8. AgateGrey/Platinum. Every option (I think) except electric rear seats, tiptronic steering wheel, ski hatch, towbar & dimming door mirrors.
e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. (internal dimming mirror added later)
1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon, Auto-dim mirror, Leather, Trip computer, Cruise control, OEM Ford SatNav with CD changer.
And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850!
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  #19  
Old 18th January 2019, 12:09 AM
MikkiJayne MikkiJayne is offline
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Its an AQJ from a C5 S6 which is what I have in the Dolphin Grey. Mechanically identical to the S8 engine but with different software. Not sure of the mileage tbh - I didn't care when I bought it because I thought it was scrap. I'll have to power up the cluster to check.

The car was scrapped because of an alleged head gasket failure. The OP's garage changed the oil cooler because it was mixing oil with the coolant. It managed 7 miles with the new cooler and mixed more oil in the coolant so they said head gasket and it was scrapped. I picked up the engine for £200 simply because I wanted the wiring and plumbing (to put Vera's old engine in my A4 track car), but it came complete with everything - ancillaries, coil packs, manifolds, etc. The only downside was that I had to take it out of the car on the guy's driveway in December! Meh. It was in the back of the A6 in under 2 hours

Having got it home and had a good look at it, I am reasonably convinced it's actually ok and the garage who changed the cooler simply didn't flush the cooling system fully, because the majority of the contents of the cooling system was plain water, running around inside the coating of emulsion. I've never seen or heard of one of these popping the head gasket, and there is no evidence of fresh oil in the water that has come out of it.

So, I figure its worth cleaning up and refreshing and I'll chuck it in something to see what it does. If it actually works then its a major bargain. If it doesn't then I'll pull it out and change the head gaskets. Worst case, I've got two good heads, a good inlet manifold and all the ancillaries for £200 which is win-win.

As to what it's going in... wait and see
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  #20  
Old 18th January 2019, 08:44 AM
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tc4332 tc4332 is offline
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There you go then.
All the appetizer and lands up with a Major MJ tease
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2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.



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