Coolant Leakage Solved- BUT . . .
i2k at xmission.com
Tue Aug 2 11:24:42 EDT 2005
Thanks Bernie, but my increasingly frustrating shop guy didn't see fit
to retrieve ECU codes. As I mentioned in one of my other posts today,
I'm going to talk to a shop I've never used before that has a non-VAG
code puller and a pressurizing system w/ "smoke" for detecting vacuum
On Tuesday, August 2, 2005, at 08:03 AM, Bernie Benz wrote:
> ECU codes?
>> From: Kerry Griffith <i2k at xmission.com>
>> Date: Tue, 2 Aug 2005 07:12:51 -0600
>> To: 200q20v at audifans.com
>> Subject: Coolant Leakage Solved- BUT . . .
>> I believe I reported that the second new coolant reservoir cap solved
>> the first leak. When we last left our hero, the second lead appeared
>> be from the radiator or hose. According to my mechanic, the reservoir
>> tank had a leak that sprayed coolant onto the radiator area. New tank
>> resulted in no more coolant leaks.
>> BUT . . .
>> Still no explanation for the following: After the car idled in 101F
>> with A/C on for 10 minutes, it ran very poorly- the instant the turbo
>> began to make boost it would hesitate briefly until there was no
>> positive manifold pressure, then run normally until the next
>> application of anything but the most delicate throttle. After 10-15
>> nervous minutes on the highway at warmer than usual but not overheated
>> temps (no extreme gauge readings nor warning lights) the coolant and
>> oil temps dropped a bit and the car ran fine for the remaining 20
>> minutes home. After letting it cool for several hours it ran fine.
>> My mechanic has no clue- says he's never encountered this before. This
>> happened when my coolant leak was operational, but since the car
>> sufficiently so as to be within normal temps after 10-15 minutes on
>> highway, I assume it is a different and as yet undiagnosed problem.
>> Since my mechanic is as clueless as I on this one, I once again seek
>> group wisdom.
>> BTW, I've driven the car about 100 miles in 80-90F and behavior is
>> normal but for the need to apply throttle at start up (20% of the time
>> only) and never more than 1.6-1.7 bar indicated for the last 6-12
>> months instead of the 1.8 we enjoyed for years.
>> Another (yet another!?) tiny vacuum leak?
>> Help! I don't want to be Turning Japanese!
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