Audi 80 Tdi (1993) Advice/help - Audi Forums
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post #1 of 9 (permalink) Old 01-21-2006, 07:43 AM Thread Starter
 
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Hi all,

I've just been given an 1993 Audi 80 avant 1.9 TDI its got 165k on the clock and has been standing for about a year with only the occasional run now and then. The oil looks pretty dirty and obviously needs changing, I want to know if its advisable to use an engine flush product before the oil change and an additive afterwards ? The car was apparently a good one before the previous owner left the car after the tax and MOT ran out.

Are there any other potential problems I should look for before I begin to use the vehicle again. I intend to change all the fluids etc.

Is it also true the 1.9 TDI has a cam chain and does not therefore require changing ????

Any help would be most appreciated.
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post #2 of 9 (permalink) Old 01-21-2006, 01:35 PM
 
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Hi there,

I'm pretty sure that the TDI has a cam belt as normal, the AAZ engine code certainly does, but I'm not sure about the 1Z engine. The cover's easily accessile though. If the car's been run then and the engine will tick verquite happily, then I'd say to just take the car for a run to get the oil nice and warm before changing it rather than using engine flush but that's just my personal preference.
Nothing I can think of potential trouble wise with the engine, although it's probably worth checking the spill pipes as they may well have perished. A good idea to check the tyres for flat spots and perished sidewalls as well.

CHeers,
Tom
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post #3 of 9 (permalink) Old 01-28-2006, 11:27 AM Thread Starter
 
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Thanks so much for all the posters help on here, my Audi just blew up due to the throttle jamming on the car, it just revved its self to pieces. I thought it would have had some sort of rev limiter but it just blew its self up. Even swtiching the ignition off had no effect. Hence jet black smoke and water pissing everwhere until the engine gave up.

Thanks so much you wankers what a **** forum.
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post #4 of 9 (permalink) Old 01-30-2006, 11:27 AM
16V
 
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sorry to hear about your engines demise- as for the more civil amongst us we do try to be helpfull towards each other-- your original post asked what to check before running the engine cam belt etc - bio diesel replied with what knowledge he has on the subject -my self i know very little about the audi diesel engines hence i never replied to your post-----As for your own miscalculated estimations of the forum users knowledge may i suggest as to you questioning your own ability to understand things mechanical

i bet you didnt think of stuffing a rag into the air intake to starve the engine of air or disconnect the battery or try to un jam the throttle linkage or even to cut the fuel line to the diesel pump

out of pure curiosity -if you have the moral fiber to reply- how long was the engine revving until it blew up????????????????????????
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post #5 of 9 (permalink) Old 01-30-2006, 01:30 PM Thread Starter
 
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plenty of moral fibre here thank you.

Car was reving for at least 1 minute 30 or 2 mins before it gave up, fuel line would have made no difference, and at one stage I had the key out of the ignition. In hindsight I should have put the car in 5th and stalled the engine but hindsight is a wonderfull thing eh.........????

Apprently the engine was running on the oil according to my mechanic, if any other members have any idea what happened (if they have the moral fibre....sigh) please reply on this thread.

Big ends have gone apparently but I was surprised that it still started and I managed to move the car.

I'm not a mechanic, I just thought that 1 reply to a genuine question on an Audi TDI forum was a poor show surely it sould have at least warranted a few more responses ????

Anyone know where I can get an engine ???? The cars to good to scrap.

I await response......................
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post #6 of 9 (permalink) Old 01-30-2006, 05:32 PM
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247- can we start again?-
i am surprised the engine was only revving for such a short time before it blew i have known it happen but on an agricultural tractor when the governer system on the pump had been tampered with and the turbo got so hot it caught fire and broke up only to be sucked into the engine with the inevitable happening--- but surely in the case of your engine there must have been significant engine wear for the oil to ignite and keep the engine running like its own perpetual fuel-- any way that dont help you now does it

have you done a web search for a new engine theres lots of breakers out there with websites now

somebody like these may be able to help

http://www.breakerlink.com/index.php

http://www.247spares.co.uk/carpartsearch/p...used/make=AUDI/

http://www.247spares.co.uk/carpartsearch/p...=engine/result/

where in england are you?north/south? i'll make a few enquiries locally--whats the engine code??
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post #7 of 9 (permalink) Old 01-31-2006, 09:17 AM
 
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I'm sorry to hear your engine gave up the ghost, however, if it was diagnosed as running on the oil then it sounds like it was knackered anyway. Did the mechanic say that the big end bearings had gone already before you started the car, or that it was their failure that caused the engine to combust?
New engines can be found on eBay, but your best bet may well be a scrappy that has a newly damaged example in, that hasn't been stood out for a while. Check www.yell.com for breakers in your area.
Hell, if you were given the car, at least you haven't lost out financially, and if the engine's Donald Ducked, then I'd see it as opportunity to take it appart and learn about how engines fit together.
Good luck with it,
Tom
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post #8 of 9 (permalink) Old 01-31-2006, 12:16 PM Thread Starter
 
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the mechanic just came and looked it over and had a listen to the engine and came up with the diagnosis that the big end had gone. There were no problems before and apparently the engine was well looked after, regular services, cam belt changes etc. It had 167k on the clock.

After the problem there seems to be lots of vibration and the engine coolant was all gone and had to be topped up. Water at the time of the incident was pooring out underneath.

I'm not convinced it was wear on the engine that caused the problem, but I guess I'll never know now.

Is it worth re-building the engine or just trying to find a replacement part ????

Any other thoughts or ideas would much appreciated.

I am located in south-east Engalnd approx 20 miles form Canterbury.

I'll post the engine code at a later time.
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post #9 of 9 (permalink) Old 01-31-2006, 12:35 PM
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was there anti freeze present in the water that came out of the engine? if there was none then the block could have suffered from getting the water frozen causing a gasket to fail maybe? water pump failure perhaps-- im just guessing now

as for rebuilding the engine i would definately investigate things-whip the head off -remove the sump -just to take a look- its possible to do this without removing the complete engine
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