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#1
02-02-2006, 01:01 AM
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Just changed the oil now it runs a lil funny?
We did our own tune-up for my dads newly aquired 78 300D. When he drove it to work today he noticed a puddle of tranny fluid under the car after work. So we went out and bought new tranny fluid and a filter kit to see if it would solve the leak problem. which it did, We opened up the air filter and saw it was as black as my dickies(pants) so we bought a new air filter, oil filter, and Mobil 1 5w40 truck and suv oil. Because we assumed it wasnt changed in a while since they didnt bother to change the air filter.
We put in the new oil, oil filter, and air filter. Started the car and let it warm up. After warmed up took it for a drive and it felt rougher? We suspected either the tranny or the oil. Not sure but it did idle rougher and ran a little harder. Any thoughts. By the way right now its running on pure D2 diesel no wvo yet, my dad wants to see how many miles he can get on one tank of diesel.
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed 
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#2
02-02-2006, 05:04 AM
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My dad says now it starts off sluggishly and cathces up speed slowly. This wasnt happening before the oil, filter, etc changes it was running great. It would start off pretty quickly and catch up speed fast. It didnt idle rough either and now it does
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed
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#3
02-02-2006, 08:42 AM
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did you change
the fuel filters?
it sounds like you might be sucking air in the fuel tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#5
02-02-2006, 08:56 AM
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Quote:
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#6
02-02-2006, 09:10 AM
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Funny ...ha ha?
Or Funny, funny? sorry, couldn't resist
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Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather!
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#7
02-02-2006, 12:23 PM
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were did he get the 5w-40..... mobile one!!!
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#8
02-02-2006, 01:14 PM
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Quote:
http://www.mobil1.com/USA-English/MotorOil/Oils/Mobil_1_Truck_SUV_5W-40.aspx It's been a PITA to find lately, I've been getting it at Checker because the Walmarts don't seem to have it.
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#9
02-02-2006, 01:31 PM
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Could the bowden cable and the modulator new tuning since the tranny got new fluid and filter? Although this doesn't explain the rough idle.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#10
02-02-2006, 01:34 PM
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Quote:
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#12
02-02-2006, 03:11 PM
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Yes, i did change the fuel filters and one fuel line that was leaking. I pumped the hell out of it just to make sure all the air was out. The metal can filter i filled with diesel clean powerservice and dumped the rest in the tank. The car started right up and ran fine. The fuel filters i had changed the day we bought the car because we would notice a little lag then a boost of power and that usually happens to the SD when the fuel filters are clogged. Sure enough they were filthy so that fixed the problem.
Yes i did use 5w40 mobil 1 truck/suv oil and i bought it at kragen. Had a coupon too brought it from $5.99 to $3.99 a quart  But i still dont know why its idles rough and starts off a little sluggish then slowly catches up speed. The plastic pre-filter looks spotless.
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed Last edited by greasybenz; 02-02-2006 at 04:08 PM.
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#13
02-02-2006, 06:49 PM
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try loosening the fuel filler cap when the engine is running and see what happens then.
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1984 300D Turbo - 231k....totalled 11/30/07 RIP
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#14
02-02-2006, 11:37 PM
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maybe you
have fungi in the tank and ;your filters are clogged agiain. i would check and if needed,
get some fungicide from truck tractor or marine supplier and treat two or three times. tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis. Last edited by t walgamuth; 02-03-2006 at 06:44 AM.
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