Synthetic ATF?
Synthetic ATF?
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Posting Guru
Joined: Feb 2007
Posts: 1,146
Likes: 3
From: Bradenton FL
16quarts? Where did you get it? How much?Thanks alan.
Maybe you can help me i dont think you have seen my current prob. I just replaced my hayden cooler with a tru cool, and i replaced the bypass valve today. Temps still got to 180 today, they dropped back down on a long straight to 160-170 alot faster than they ever have. The tranny operates exactly like its supposed to it just runs hot. Any suggestions besides changing the pump and TC? TC lockup kit? Sonex Kit? I will probably now add a fan to try and keep the temps down. But i really think its 100k on a tranny running 37s thats heating up the TC in traffic stop/go. Any thoughts.
Maybe you can help me i dont think you have seen my current prob. I just replaced my hayden cooler with a tru cool, and i replaced the bypass valve today. Temps still got to 180 today, they dropped back down on a long straight to 160-170 alot faster than they ever have. The tranny operates exactly like its supposed to it just runs hot. Any suggestions besides changing the pump and TC? TC lockup kit? Sonex Kit? I will probably now add a fan to try and keep the temps down. But i really think its 100k on a tranny running 37s thats heating up the TC in traffic stop/go. Any thoughts.
Post Fiend
Joined: Jun 2006
Posts: 5,497
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From: Central, Al
With a stock cooler I have yet to see 160 this year (not Towing). I would definitely do a flow test on the pump.
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NAPA Auto Parts 608 19th Avenue West Bradenton 34205 941-746-4181 A
Automotive Engineering 4931 14th Street West Bradenton 34207 941-756-8500 A
Pep Boys 2303 Cortez Road Bradenton 34209 941-739-1525 A
NAPA Auto Parts 6832 14th Street West Unit 3 Bradenton South 34207 941-756-2426 A
Post Fiend
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From: Central, Al
Logistics Pro
Joined: Jun 2005
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From: AZ
Benny...save your money on the fan...it will only help when you are driving real slow (bumper-to-bumper or back-country). I have a fan and I have tried it in every possible scenario and it makes no difference EXCEPT when you are crawling along at a mile or two an hour - then it helps considerably.
Thread Starter
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Posting Guru
Joined: Feb 2007
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From: Bradenton FL
lets say the flow test fails, is it difficult to change out the pump? Is there a thread to do the flow test?
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Post Fiend
Joined: Jun 2006
Posts: 5,497
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From: Central, Al
20 ounces in 15 seconds is the spec at idle in neutral.
You have to drop the tranny to replace the pump
You have to drop the tranny to replace the pump
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On the other hand i have replaced a couple trannys just not the 4r100, have you? Anything special, besides im sure it weighs a ton.
Post Fiend
Joined: Jun 2006
Posts: 5,497
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From: Central, Al
Haven't had to R&R the 4R100 but in the early strokers with the E40D we had swaps down to 1 hour on the ambulances.
Check all of the lines closely and make sure one has not gotten pinched or dented somewhere.
Check all of the lines closely and make sure one has not gotten pinched or dented somewhere.
Post Fiend
Joined: Jun 2006
Posts: 5,497
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From: Central, Al
Also those temps don't sound too hot 60 -100 above ambient is the normal range and you are inside of that. Turning those big meats I would expect it to be a little warmer than mine and yours is only 10 - 20 degrees hotter.
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Posting Guru
Joined: Feb 2007
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From: Bradenton FL
Thanks for putting my mind at rest, i had a guy look at the situation today and he told me it wasnt bad YET, he said running anything with tires over 33s a guy needs a better TC and a higher output pump. Im just paranoid...PMS...Thanks for your help tomorrow i will tear everything down and make sure atf gets from point a to b without hesitation and flush and fill with synthetic, thanks alan.
ps do you think a TC lockup setup would help me or a sonex kit?
ps do you think a TC lockup setup would help me or a sonex kit?