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Author Topic: Audi A3 TDi issue  (Read 4285 times)

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JamesV6CDX

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Audi A3 TDi issue
« on: 24 June 2014, 11:49:11 »

Mate at work has one of these. 54 plate Tdi.

He has had it recovered to me after a breakdown

Symptoms, he described a noise like a hamster in a ball. He said it got worse and he turned off the engine.

I've had a very brief look and have determines -

Cam-belt intact and in good shape
No holes in block
Oil level full
No warning lights came on inc no oil pressure lights

Any thoughts? I'm wondering if the dual mass flywheel has failed and somehow is jamming the crank?
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JamesV6CDX

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Re: Audi A3 TDi issue
« Reply #1 on: 24 June 2014, 11:50:04 »

The crank is jammed. Cannot turn it by hand.
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4x4

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Re: Audi A3 TDi issue
« Reply #2 on: 24 June 2014, 13:32:25 »

If you want a proper term for that they say.... Its f####d  ;D
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05omegav6

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Re: Audi A3 TDi issue
« Reply #3 on: 24 June 2014, 14:48:10 »

Mileage? Cams can fail (wear out) due to Vws bullshit service intervals... Those engines don't rebuild well IMHO :-\
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henryd

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Re: Audi A3 TDi issue
« Reply #4 on: 24 June 2014, 15:55:36 »

Chain driven oil pump from memory on the Pd,could be that thats let go :-\
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Marks DTM Calib

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Re: Audi A3 TDi issue
« Reply #5 on: 24 June 2014, 15:58:09 »

I thought it was only a chain pump on the 2.0? (could be wrong though)
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Omegatoy

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Re: Audi A3 TDi issue
« Reply #6 on: 24 June 2014, 18:26:57 »

this is the engine with a known history of oil pump failure isnt it? seen a couple here similar noise problems,was bottom end dying :-\

serek

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Re: Audi A3 TDi issue
« Reply #7 on: 24 June 2014, 21:04:01 »

lets make this clear, what engine is in car 1.9 or 2.0 ?

henryd

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Re: Audi A3 TDi issue
« Reply #8 on: 24 June 2014, 21:58:16 »

I thought it was only a chain pump on the 2.0? (could be wrong though)

Could be,I know the 3 pot 1400 pd has one, I thought the 1.9 was similar ???
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serek

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Re: Audi A3 TDi issue
« Reply #9 on: 24 June 2014, 22:10:10 »

I thought it was only a chain pump on the 2.0? (could be wrong though)

Could be,I know the 3 pot 1400 pd has one, I thought the 1.9 was similar ???

1.9 have chain on oil pump but they use different sprockets and they dont wear like on 2.0

thats what conversion I done few times


this on early 2.0 tdi

JamesV6CDX

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Re: Audi A3 TDi issue
« Reply #10 on: 25 June 2014, 02:16:32 »

It's the 1.9

I reckon its a flywheel issue. He described the noise as worse in high gears before it died, with difficulty engaging third...
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05omegav6

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Re: Audi A3 TDi issue
« Reply #11 on: 25 June 2014, 11:31:28 »

Mileage ::)

Worse in higher gears doesn't automatically mean a drivetrain problem... as the gears go up, the revs drop, so the engine is producing less torque and is relatively less stressed.

When the flywheel gave up on my Seat, same engine you could feel a definite roughness through the clutch pedal.

Cams can erode from as little as 120k if the car hasn't been regularly serviced...
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JamesV6CDX

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Re: Audi A3 TDi issue
« Reply #12 on: 25 June 2014, 11:59:44 »

70k and full audi history...
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JamesV6CDX

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Re: Audi A3 TDi issue
« Reply #13 on: 25 June 2014, 13:45:26 »

Started making preps for engine removal today. All the things like air box, battery tray.

Took the starter motor out and found a not insignificant amount of swarf in the bellhousing.

Had a poke with my fingers and retrieved a couple of chewed up bits of metal.

Almost certain the flywheel has fallen to bits and is jammed into the bell house...
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JamesV6CDX

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Re: Audi A3 TDi issue
« Reply #14 on: 03 July 2014, 03:56:08 »

As per above post...

Flywheel fell to bits and jammed into bell housing.

Engine now turns freely :y



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