4R70W running warmer than normal - TCCoA Forums
 
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post #1 of 5 (permalink) Old 08-18-2006, 08:28 PM Thread Starter
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4R70W running warmer than normal

My father has been using my Cougar for the last two weeks... He said today, it dropped out of OD on the highway (O/D off light came on steady). He stopped and shut the car off (didn't know about the O/D Lockout button) and it worked again, but the transmission was running close to 220 after that... I have B&M gauge with 160, then a white block, then 220 over the line between the white and yellow blocks. I took it for a short drive (maybe 5 miles) this evening with a little stop and go, and a 2 mi sprint on the highway, and it was half way between the 160 and 220 marks. It's been hotter out in the last two weeks than it was today, and it never ran that hot on any of those days, even with stop and go traffic. I scanned for codes with my microtuner, and there where none. Any suggestions? If it comes to needing to rebuild it, any suggestions what kind of rebuild kit to buy?

'95 Cougar - 2002 Explorer engine, 2004 Mustang PTP2 PCM

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post #2 of 5 (permalink) Old 08-18-2006, 09:07 PM
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Do you have a cooler on it? I know it's hot around here lately, but my 84 Vic has been fine w/ the 24K B&M on it, even in the stop & go.

When was the last time the fluid/filter was changed?

The only other thing that I can think of is maybe the heat from the radiator is bleeding over into the trans. fluid.

Jay

These are highly engineered precision vehicles, the first step in diagnosing the problem is to strike the suspected offending part sharply and repeatedly with a blunt object, then re-test.
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post #3 of 5 (permalink) Old 08-18-2006, 09:54 PM Thread Starter
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Yep, got a cooler (I think it's the B&M 24K), and have the Cobra radiator, so no, it's not going through the coolant... It normally doesn't run that hot... This is out of the blue...

'95 Cougar - 2002 Explorer engine, 2004 Mustang PTP2 PCM

Best times:
PI 4.6L 95 XR7 Cougar: [email protected]
2004.5 Silverado Crew Cab/Long Bed/4x4 6.6L Duramax: [email protected] (Weighing in at over 7200#) on 10/19/2007
Dyno - 446.4RWHP/820.2RWTq on 6/13/2008
Pulling - 300.9' 3rd place finish 8/2011
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post #4 of 5 (permalink) Old 08-18-2006, 10:38 PM
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How does the fluid look?

If all else fails and you need that trans. rebuilt I would give Darrin a PM and see what he can do for you. Might be a good excuse to upgrade the drivetrain a bit.

Jay

These are highly engineered precision vehicles, the first step in diagnosing the problem is to strike the suspected offending part sharply and repeatedly with a blunt object, then re-test.
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post #5 of 5 (permalink) Old 08-19-2006, 07:13 AM
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Dropping out of gear could be a bad MLPS.

I agree with Jay, look up Darrin if you need a tranny.

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