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VW MKIII-A3/B4 TDIs This is a discussion about MKIII-A3/MkIII Jetta/Golf (<99.5) and B4 Passats (96,97) TDI's. Non TDI related postings will be moved or removed.

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Old January 14th, 2020, 07:32   #1
jdulle
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TDI(s): 96 B4, 97 B4
Default B4 ran for 2 minutes without oil

My wife borrowed my car for a road trip yesterday. Along the way she lost oil and heard the buzzer/oil light, but couldn't pull over for a couple of minutes. What are the chances the engine/turbo is still OK? Apparently the temperature gauge never went up, and it was running more or less normally when she shut it down. Also she said she was coasting as much as she could.

I think I will go down tomorrow and tow it back...bummer.
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Old January 14th, 2020, 08:06   #2
Almost1
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Maybe you got lucky and the pressure switch went out. I'd check the level when you get there. I can't speak for sure to damage from use, but I'd imagine your bearings didn't like it. You'd have to hook up a mechanical gauge and see if the oil pressure is normal. Usually a tell tale sign of damage is low oil pressure once you get it running again. That and clouds of smoke

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Old January 14th, 2020, 08:37   #3
jdulle
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I think there was quite a bit of oil on the ground, so I am guessing its not the switch. Though that would be awesome if it was the switch. Maybe more likely the oil cooler seal or turbo.
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Old January 14th, 2020, 08:55   #4
Mozambiquer
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We had that happen with our old 2.slow, though granted that's not a turbo engine, it drove 10 miles after the light came on and surprisingly sustained no damage, even though it had drained all the oil out. I'd refill it and carefully start it up, listening for knocks and all. Maybe pull the turbo inlet loose and check for excessive shaft play first.
Of course fix the leak.

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Old January 14th, 2020, 09:15   #5
JETaah
 
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Sometimes the oil pressure switch is known to leak around the terminal. Cross your fingers.
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Old January 14th, 2020, 13:58   #6
Steve Addy
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That's a long time after the buzzer goes to run the engine, especially at temp and road speed rpm's...

I wouldn't hold out much hope but maybe, won't know until you find out what happened.

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Old January 14th, 2020, 14:19   #7
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Reminds me of the lady that called me up a few years ago saying that she needed a balance shaft delete kit. I always ask if the oil light had come on, and if so how long was it on...(I usually hear yes, and somewhere in the neighborhood of 4-10 seconds).
She said that the oil light came on when she was 50 miles from home, and the engine stopped/wouldn't crank just a few blocks from making it home.

Naturally she needed a lot more than just a balance shaft delete kit....

--------

In any case, you might get off lucky on this one -- though I fear for the health of your turbo...
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Old January 14th, 2020, 16:15   #8
Mongler98
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i say fill it up with oil and new filter. drive it as normal. the cost to repair anything that could have gone wrong would cost more than the car is worth unless you DIY it and even at that its about even. if it lasts, it lasts. either call an uber when it goes dead on the road or get AAA.
it could be fine. i have and many others have ran low or hot on oil and nothing much comes of it. not much you can do thats worth doing. just have a back up plan incase it does not end well.
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Old January 14th, 2020, 19:01   #9
ToddA1
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^^^^ That’s probably the best advice I’ve ever seen you give...

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Old January 14th, 2020, 19:36   #10
DivineChaos
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Quote:
Originally Posted by JETaah View Post
Sometimes the oil pressure switch is known to leak around the terminal. Cross your fingers.
had a car that the switch went bad. was broke, checked the oil, no knocking so kept driving. well the sensor is by the manifold. stopped working because enough oil leaked by. then it started spraying the exhaust manifold. man was that a smoke show. and what a mess.
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Old January 15th, 2020, 08:58   #11
rallywagon
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Exclamation Short Change Oil and Listen

My oil cooler gasket blew out on my AHU, and I drove about 3 miles with no oil. I recommend replacing oil and filter, driving for a hundred miles, and replacing oil and filter again. Then drive like normal and listen for new sounds for a thousand miles or so. It might be fine. Mine has been.
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Old January 15th, 2020, 13:03   #12
jdulle
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The garage said the supply and return hose for the turbo were bad. So I am thinking of replacing the turbo, since it wouldn't be too much more labor. If the car was at home and it was summer I would probably just replace the lines and give it a try. I just have to see if I can come up with enough money to get a good (non Chinese) turbo.
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Old January 15th, 2020, 13:04   #13
jdulle
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I think I'll try the 100 mile oil change, too, good idea.
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Old January 15th, 2020, 16:26   #14
Steve Addy
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Quote:
Originally Posted by rallywagon View Post
My oil cooler gasket blew out on my AHU, and I drove about 3 miles with no oil. I recommend replacing oil and filter, driving for a hundred miles, and replacing oil and filter again. Then drive like normal and listen for new sounds for a thousand miles or so. It might be fine. Mine has been.
That gasket should be on a 3 year change interval IMO.

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Old January 16th, 2020, 05:28   #15
Tdijarhead
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My daughter put a hairline crack in her oil pan after hitting a ground out section of road that was not marked. Her oil light came on in the middle of a long narrow bridge. She pulled over as soon as possible, perhaps a minute or so after the light came on.

The turbo was shot but the engine was fine. Fortunately I had a spare oil pan and a spare turbo. She’s been back on the road for over a year and about 20k miles.
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