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7th February 2019, 08:10 PM
#1
GU TB45 Auto Shift Delay on Cold Start
I have an 01 GU TB45 Auto. Every morning and when I leave work after I start the engine, the tranny doesn't engage to when I place the selector on D. I have to wait 5 to 10 seconds before the tranny kicks in. If I need to leave quickly, I place the selector on 2 and it engages immediately, then place the selector in D after 10 seconds of driving. But after while, the everything normalizes. I shut down the engine after I gas up, the tranny engages immediately after I place the selector into D. Changed the ATF (Dextron III) already. The old oil seemed okay. Some guys tell me to use a thicker ATF but I didn't such a thing existed. Hope you guys can help me out.
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7th February 2019 08:10 PM
# ADS
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8th February 2019, 09:44 AM
#2
Patrol Freak
When you changed the fluid, did you remove the pan to wash out the gauze strainer?
John
2001 GUII TI 4500 - Now converted to TD42T auto with Nomad valve body
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9th February 2019, 05:57 PM
#3
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9th February 2019, 09:01 PM
#4
Patrol God
Go get it serviced properly only need to do it once a year
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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2nd March 2019, 04:44 PM
#5
Will bring it in for service. would you guys know ho many liters of ATF is in the tranny? do you suggest I change the oil in the transfer case as well. I hear the transfer case also uses ATF? is this correct?
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2nd March 2019, 09:39 PM
#6
Legendary
Your tranny has a temp sensor and will not lock up until a certain temperature has been reached , mine is the same on the GQ but notice the GU kicks in quicker but still needs a few Kay's to kick in .
I think it has something to do with autos work best when the oil is at a certain temperature range so prevents the torque converter from locking up until a certain temp has been reached but I could be wrong .
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