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  #1  
Old 10-01-2007, 07:00 PM
yag yag is offline
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Question Trans Problems. - Want Move In Drive?

I have repaired the vaccum switch, modulater. But if you let the car sit for a few days, you to keep reving the engine , and eventually it starts moving. After it waems it runs fair. I have been trying to set tyhe pressure, but cannot get anything on the pressure port. I have a 1981 300D with a 722.118 trans. I cahnged the filter and fluid too. What is going on? A pump going out? Thanks for any help.

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  #2  
Old 10-01-2007, 07:53 PM
Cervan's Avatar
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sounds like its low on fluid, check the fluid while the car is RUNNING and WARM
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  #3  
Old 10-01-2007, 08:20 PM
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same issue

My pressure was a little low, I adjusted it up 3psi to the proper level then replaced the service bolt and now have ZERO fluid pressure - level is fine. Can this be a bad modulator (please, please) or the pump has suddenly gone out when I wasn't even driving it. It was running on jackstands to adjust. Any further adjustments to the turn screw in the modulater make absolutely no difference. I find it hard to believe than anything suddenly jumped in there and plugged the filter.
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  #4  
Old 10-01-2007, 09:20 PM
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Location: pinehurst NC
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Quote:
Originally Posted by yag View Post
I have repaired the vaccum switch, modulater. But if you let the car sit for a few days, you to keep reving the engine , and eventually it starts moving. After it waems it runs fair. I have been trying to set tyhe pressure, but cannot get anything on the pressure port. I have a 1981 300D with a 722.118 trans. I cahnged the filter and fluid too. What is going on? A pump going out? Thanks for any help.
which port are you testing on? you should be seeing 3bar (41 psi) with that transmission.
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  #5  
Old 10-01-2007, 11:14 PM
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I'm testing on the port next to the modulator. I was at 42psi, but now nothing. Pump or modulator, you think?

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