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#1
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300SD vacuum issues
Hi, I know its late but if anyone can help me I would appreciate it. I have an 84 300SD. I just had the transmission rebuilt ($$$) but it doesn't shift properly. The first shift from 2-3 is hard and sometimes flares. The next shift, 3-4, is usually smooth.
I've read a lot of the threads and DIY on the trans and vacuum but what I really need is a photo of the vacuum lines on an 84 300SD. I think they may be mixed up. Can anyone help me out? Thank you Izick |
#2
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I dont have pics of your specific model but maybe this pictorial will help you sort some basics.
http://dieselgiant.com/mercedesvacuumtroubleshooting.htm
__________________
1981 300D 147k 1998 VW Jetta Tdi 320k 2001 Dodge Ram 2500 141k 1979 300D 234k (sold) 1984 300D "Astor" 262k(sold) Mercedes How-To and Repair Pictorials I love the smell of diesel smoke in my hair |
#3
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__________________
1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#4
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This is the vacuum diagram for your vehicle:
Note that the flare on the 2-3 can be fixed by one of two approaches: 1) Reducing vacuum to the modulator via adjustment of the vacuum control valve. 2) Installing a K1 replacement piston and kit in the transmission. Both of these will have a benefit.........the former will firm up all the shifts........the latter will simply address the 2-3. |
#5
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Thanks
Thanks guys. I figured out that the lines going into the vacuum control valve were reversed.
Thanks again izick |
#6
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No problem, glad you got it squared away.
Bookmark that link i posted. It comes in handy often. Or go to thread tools up top in that link and subscribe to that thread. Danny
__________________
1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
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