post #1 of Old 08-24-2013, 02:37 AM Thread Starter
Join Date: Aug 2012
Posts: 252
46re jeep trans acting up. 5.9L grand v8

Background. It's a 5.9L out of a 98 grand Cherokee with the 46re Trans all swapped into a jeep wrangler. The jeep has been going great for over a year with no major Trans problems. The new problem.

After about 15mins of driving the jeep the governor pressure starts rising when the ECM is requesting 0 psi. It will first shift up through the gears and after it warms up and when you start to slow down for a stop light the governor pressure does not drop with your speed like it should. It continues to climb to 90-100 psi no matter the speed. This then overrides the Trans and it holds 1st and will not shift out.

What's been tried... Checked the 5v signal from the Trans an it is good. But for good measure replaced the 8pin Trans plug because the wires were starting to poke out like they all do. Replaced the gov pressure sensor, solenoid, the tcc solenoid a and all the wiring inside the Trans. Adjusted the bands Replaced the complete valve body with a new one. New filter and fluid the 3 times it has been opened.

I am completely out of ideas at the moment and looking for a little help. If any of you have an idea that I have not tryed post up or pm me. Thanks in advance

2007 JKUR with some stuff bolted on it and a hemi
360LJ is offline  

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