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  #1  
Old 08-09-2007, 11:19 AM
Jeep Taylor
 
Join Date: Jul 2007
Location: Jeffersonville, Indiana
Posts: 13
Angry New Benz owner multitude of problems

It is a 82 300TD. Dash lights dont work tach dead and cant get the a/c to work. Suppose to be getting a manual from previous owner. Have a 97 ford power stroke and a VW Jetta 2005 TDI. Just dont know where to start or what questions to ask. Got it because I make my own biodiesel and the engine is in good shape 215k on the clock but it has been rebuilt by the local Dealer have all receipts. Main concern is to get dash lights and a/c working. Put new belt on compressor changed over to r134 worked for about 30 minutes now cant get compressor to engage. Any help will be greatly appreaciated. Jeep Taylor

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  #2  
Old 08-09-2007, 11:24 AM
Mistress's Avatar
No crying in baseball
 
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Post this on the tech side you'll get lots of responses.
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  #3  
Old 08-09-2007, 11:49 AM
TheDon's Avatar
Ghost of Diesels Past
 
Join Date: Oct 2005
Posts: 13,285
Diesel Discussion.. post there so we can correctly diagnose and help you


tach amp could be flakey,

AC is fun to diagnose sometimes
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  #4  
Old 08-09-2007, 11:57 AM
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All easy fixes (except the AC). Do a search and you'll find lots of info.
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  #5  
Old 08-09-2007, 01:15 PM
Hatterasguy's Avatar
Zero
 
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Location: Milford, CT
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There you go now its in the proper place. Old cars always have a list of problems, get used to it.
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  #6  
Old 08-09-2007, 01:19 PM
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Location: Mount Holly, NC
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dash lights, the knob on the left of the speedo is the brightness adjust knob. wiggle it left and right, sometimes that gets the lights working, if that doesn't work you will need to pull the cluster and either repair the rheostat or bypass it with a short piece of wire. www.dieselgiant.com has several pictorials for working on various parts of the car. welcome to the MB Diesel forum!
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"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

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  #7  
Old 08-09-2007, 02:02 PM
toomany MBZ's Avatar
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Or replace dimmer switch (potentiometer), you'll have to pull the cluster.
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  #8  
Old 08-09-2007, 02:04 PM
rrgrassi's Avatar
mmmmmm Diesel...
 
Join Date: Jun 2006
Location: Royse City Tx
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How is the rest of the car besides A/C and dash lights?
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70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D
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  #9  
Old 08-09-2007, 03:16 PM
Jeep Taylor
 
Join Date: Jul 2007
Location: Jeffersonville, Indiana
Posts: 13
82 300td

For her age and miles 216, she is no too bad, new brakes,power brake booster new vacuum hoses etc. Lots of rust but running gear and steering,suspension are in good shape. Interior not bad seats and carpet great few cracks in dash and rear headliner loose. Need to get a repair manual. I am pretty good at twisting wrenches do all the work on my 97 ford power stroke plus I have been making bio-diesel for over a year. This will be a love hate relationship with the Benz. Jeep
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  #10  
Old 08-09-2007, 04:42 PM
rrgrassi's Avatar
mmmmmm Diesel...
 
Join Date: Jun 2006
Location: Royse City Tx
Posts: 5,220
I love my Benz. It's an '82 also. 237,000. I'm wanting to do the rear diff swap from an '85. I am looking for the speedometer from an '85 so the ratio's match. I just need the speedo, but all I see for sale is the entire inst. cluster...
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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D
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  #11  
Old 08-09-2007, 08:34 PM
Registered User
 
Join Date: Nov 2004
Location: CT, USA
Posts: 472
Ditto John's (vstech) suggestion on the rheostat. You may be lucky and find a "sweet spot", but it will invariably be too dim (even at full brightness they are pretty dismal). Probably best to run the jumper wire.

AC is a whole different saga.

Bad tach amp is also a common failure. Do a search for the "cigarette butt" fix (kind of shady, but it may just work).
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  #12  
Old 08-09-2007, 10:07 PM
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Join Date: Aug 2006
Location: Tampa
Posts: 195
check fuses convert to cooper

a/c its almost fall
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82 300d turbo 164k - passed on
83 sd - passed on
04 civic hybrid - DD
06 GTO for sale - passed on
84 VW Rabbit Diesel 4dr.- passed on
94 S350D - DD
94 S320 - soon to be DD
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  #13  
Old 08-09-2007, 10:46 PM
Jeep Taylor
 
Join Date: Jul 2007
Location: Jeffersonville, Indiana
Posts: 13
Thanks for all the tips, hope to start this weekend, its been 101 and 102 degrees here in sunny Southern Indiana for the past 3 days just to hot to be out in the garage its supposed to cool down to the 90s next week probably have to break out the long johns. Thanks Jeep
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  #14  
Old 08-09-2007, 11:21 PM
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Is this a wagon?
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'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John
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  #15  
Old 08-10-2007, 08:26 AM
Jeep Taylor
 
Join Date: Jul 2007
Location: Jeffersonville, Indiana
Posts: 13
No, Jimmy it is a 4 door sedan. Got it to replace sons Geo Metro that was totaled in a 6 car accident. No one hurt in any vehicle thank God. This just gives me something to tinker with. Glad I found the forum I think it well be my saving grace with this project. Any tips or shortcuts you have learned will be greatly appreciated. Jeep

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