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Old 12-28-2012, 04:07 PM
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Join Date: Jan 2003
Location: Matthews, NC
Posts: 1,356
Transmission delay

Just wanted to run a transmission problem by you. My 500SEL has a delay going into gear at first start of the day. After this 3 to 5 sec delay, the problem is gone until the next day. At first I thought it was just reverse because I always back up out of the car port. Today, just to see, I put it in drive first and had the same delay. I talked to a friend of mine that rebuilds transmissions. He ask if the trans worked good after the delay with no slipping and in forward or reverse gears. I said yes. He said "Check valve in the valve body was leaking and allowing the torque converter to drain back into the transmission." He then instructed me to check the level of the fluid just after shutting down the engine. Then check again before starting the next morning. If the level was a lot higher in the morning then that had to be the problem. I ask a lot of questions including How Much? He said about $20 or so. The fix is to install an external check valve in the return cooler line. Chrysler has the parts. I will check the level tonight, and in the morning and see how much difference there is. If this does show a problem, he will get the parts from Chrysler next week. He also said that It didn't hurt anything and I could just leave it the way it is, just wait 5+ seconds in the morning before shifting out of park. I usually am one to go as soon as oil pressure is up and drive easy for the first few minuets. This could be hard to do as I also have the 300D. Lets see, 500-start and wait 10 seconds -300D wait 10 seconds and start. I already have the problem of switching the 500 on and waiting to start or getting in the 300D and hit the key to start. Life is hard on old people.
Anyone heard of a problem like this? My transmission man said Chrysler/Jeep had a lot of trouble, that is why they have the parts to fix it. He also said some Jeeps have basically the same transmission as the 722.X. That is where he learned about this problem. He was a Chrysler transmission tech, but now independent.

Sorry for the long post

Paul
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84 500 SEL (307,xxx miles)
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