LipschitzWrath
Jr. Member
- Joined
- Sep 30, 2012
- Messages
- 27
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- 0
I need some help with the transmission problem I'm having. I just got done rebuilding the transmission for my 1998 Jeep grand Cherokee. It is a 5. 9 Limited model so it came stock with the 46RE. It failed on me back in April after 150,000 miles and I just recently got around rebuilding it.
I made many upgrades to it including a powerpack in the front and rear clutches, sonnax servo/accumulator, APS rear servo and torque convertor, and other miscellaneous goodies. Throughout the entire process, I spent more time waiting on parts to be delivered to me than actually doing work to the transmission. It has been very frustrating.
Anyways I finally got the transmission put back in the jeep yesterday morning. I took it for test drive and unfortunately it will not shift out of first gear. Nothing feels like it is slipping. It actually pulls very hard in both first and reverse. I tried adjusting the TV cable in both directions and that did not help. I have heard that when this problem happens to others they can just rev the engine higher and get it to make a 1-3 shift. I was unable to force a 1-3 shift despite taking my engine to 5500 RPM and then completely letting off the throttle.
I feared that it was the infamous governor pressure solenoid on these transmissions that was causing the problem. However no CEL was being set so I decided to do a hydraulic pressure test to confirm. If anything the idle pressure may just be a tad high (But this could just be the error of my $10 gauge). After that it seems that governor pressure tracks with vehicle speed very smoothly.
My research also pointed me to something with the intermediate band. I triple checked the adjustment on this band before putting it back in the vehicle but I have not rechecked since installation. I can do that tomorrow if anybody thinks there is merit. However I am having a hard time believing this is the problem because if it were I would still be a force a 1-3 shift correct?
While I have the transmission apart I took the time to do a very thorough cleaning of the valve body. Every valve was meticulously cleaned as were all the valve passages. I lubricated all the valves during reassembly and ensured they slid freely and in their bores.
Lastly before buttoning the transmission up I performed an air test through all the clutch and servo passages. Everything worked as it should and all leakage rates were very good.
I am just completely stumped. I'm hoping someone here can help me. What could the problem be?
I fear that if I don't figure out the problem soon I'm going to have to take this to a shop and fork out $1000 to have them fix the problem. I've actually removed and reinstalled this transmission twice in the past month and a half. I'm sick and tired of doing it and so if this isn't a simple problem to fix it is more than likely going to a shop.
I made many upgrades to it including a powerpack in the front and rear clutches, sonnax servo/accumulator, APS rear servo and torque convertor, and other miscellaneous goodies. Throughout the entire process, I spent more time waiting on parts to be delivered to me than actually doing work to the transmission. It has been very frustrating.
Anyways I finally got the transmission put back in the jeep yesterday morning. I took it for test drive and unfortunately it will not shift out of first gear. Nothing feels like it is slipping. It actually pulls very hard in both first and reverse. I tried adjusting the TV cable in both directions and that did not help. I have heard that when this problem happens to others they can just rev the engine higher and get it to make a 1-3 shift. I was unable to force a 1-3 shift despite taking my engine to 5500 RPM and then completely letting off the throttle.
I feared that it was the infamous governor pressure solenoid on these transmissions that was causing the problem. However no CEL was being set so I decided to do a hydraulic pressure test to confirm. If anything the idle pressure may just be a tad high (But this could just be the error of my $10 gauge). After that it seems that governor pressure tracks with vehicle speed very smoothly.
My research also pointed me to something with the intermediate band. I triple checked the adjustment on this band before putting it back in the vehicle but I have not rechecked since installation. I can do that tomorrow if anybody thinks there is merit. However I am having a hard time believing this is the problem because if it were I would still be a force a 1-3 shift correct?
While I have the transmission apart I took the time to do a very thorough cleaning of the valve body. Every valve was meticulously cleaned as were all the valve passages. I lubricated all the valves during reassembly and ensured they slid freely and in their bores.
Lastly before buttoning the transmission up I performed an air test through all the clutch and servo passages. Everything worked as it should and all leakage rates were very good.
I am just completely stumped. I'm hoping someone here can help me. What could the problem be?
I fear that if I don't figure out the problem soon I'm going to have to take this to a shop and fork out $1000 to have them fix the problem. I've actually removed and reinstalled this transmission twice in the past month and a half. I'm sick and tired of doing it and so if this isn't a simple problem to fix it is more than likely going to a shop.