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post #1 of 4 (permalink) Old 11-21-2013, 08:13 PM Thread Starter
SHIFT_Lurker
 
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How are these all interconnected?

Driving home last night @ 40mph and all of the sudden the transmission just rev's no gears. Engine start smoking, pull over to the side of the road. Red fluid coating entire drivers side and wheels of the car. Got a tow and started looking at it today...
  • Checked the trans fluid cold and was completely dry
  • I've read up on the spring clips failing on the trans oil cooler lines. Checked those, worm clamps already in place - no visible leaks. However, I replaced the hoses anyway with new clamps.
  • Also replaced the power steering clamps on the tow hoses on the drivers side underneath the air box.
  • Could not find any visible leaks
  • Put in a couple qts of trans fluid and started it up. Within a few seconds, smoke coming from the AC compressor - it's completely seized.

Now my question is, could the failure of the AC compressor cause a fluid leak? Doesn't seem possible as they are not part of the same system.

Any thoughts?

Thanks,
Chris


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'04 QX56 | MB TKO 20" Wheels | Cooper Discoverer ATP Tires | JBA LT & Cajun B-Pipes | UpRev
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post #2 of 4 (permalink) Old 12-02-2013, 09:09 AM Thread Starter
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Well, the high pressure PS line is what broke and has now been fixed. Still confused as to why the car was no longer in gear... maybe somesort of limp mode? No fault codes thrown...


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'04 QX56 | MB TKO 20" Wheels | Cooper Discoverer ATP Tires | JBA LT & Cajun B-Pipes | UpRev
'01 Audi Allroad
'71 BMW 2002 (M20 Fuel Injected)
'85 BMW M535i (Grey Market Import)
Towing '98 Air Nautique
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post #3 of 4 (permalink) Old 12-02-2013, 10:13 AM
SHIFT_Hardcore
 
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The transmission must develop pressure to hold a gear. The "fail safe" for a transmission is that it cannot transfer power to motion of the vehicle without positive pressure.

No fluid or no pressure = no go.

Whatever is true, whatever is honorable, whatever is just, whatever is pure, whatever is lovely, whatever is commendable, if there is any excellence, if there is anything worthy of praise, think about these things. -- Philippians 4:8
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post #4 of 4 (permalink) Old 12-03-2013, 01:58 AM
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You definitely have a leak, you've just failed to find it. Tranny fluid does not evaporate. There is no other reason for the fluid to be missing.

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