Audi A4 Radiater (?) Problem

Tiny
PZLLOO
  • MEMBER
  • AUDI A4
My car (1996 Audi A4 2.8, 79K) has been smoking on the drivers side towards the front of the vehicle. The car does not overheat (the temp reads normal, even when smoking). The radiator was full of fluid the first time this happened. The mechanic found a leak in the coolant hose and fixed that. He also pressure tested the radiator and found no problem. I drove home, and it started smoking again. I called the mechanic who said that there was an oil leak and the oil was just burning off and I should not worry. I took the car through a car wash and then parked it at the grocery store. When I came back it was smoking again and there was a large puddle of orange liquid dripping from the same place the smoke came from. I had it towed back to the mechanic. I thought it was the radiator that had leaked, but the mechanic said that the car was full of liquid (radiator too) and he could not figure out where it was leaking from. I just has the tie rod ends replaced and the catalytic converters replaced. Any ideas?
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Saturday, January 20th, 2007 AT 7:52 PM

2 Replies

Tiny
BRUCE HUNT
  • EXPERT
This should be no mystery. Your mechanic is probably pretty good, but cars don't bleed and heal themselves. When they leak, most times the problem gets worse, but rest assured, you have a leak. You say it smokes and that the fluid was around that. Where are we talking about? That mechanic got to touch, see, smell, etc the car to help with his evaluation.

There is a weep hole on the water pump and that could be an indicator of the the pump getting bad. The plastic overflow reservoir could be leaking. Tell me more. You mention orange in color, Is that the same color of the coolant? I highly doubt that someone is trying to mess with you by dumping coolant under the car. Trust me, it leaks.
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Tuesday, January 23rd, 2007 AT 2:45 PM
Tiny
TKEENAN
  • MEMBER
This exact same thing happened to my A4. The mechanic also pressure tested and could not find a problem. The puddle of orange coolant would always appear after the car sat for a while.
Bruce is right about the water pump being the cause. It is a fairly expensive job. Also consider having the timing belt replaced as Audi recommends replacing at 90k and it has to be removed to replace the water pump anyway. The dealer quoted me a price of about $1000 for the job.
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Wednesday, March 21st, 2007 AT 2:18 PM

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