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#1
10-16-2006, 04:44 PM
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idle klacking at 65mph??
At 65mph, it made a louder, faster version of the idle speed "klitty-klak"...
Ok, so I just got the new driveshaft support in, thumping is gone. Got it up to 65, all was well, then it suddenly started to have a sound that can only be described as that metallic klacking sound these engines make at idle. The only difference was that it was a little louder, and had more "klacks" per minute (kpm's). It seemed to be coming from somewhere towards the driver side of the engine compartment, but I cant be sure. So, I slowed down (did notice a little more smoke out the back then usual), and limped home a bit slower. The sound went away, and it seems to be running fine. Any thoughts???
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Paul 2004 E500 4matic; 72,000mi 
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#2
10-16-2006, 04:58 PM
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1. Check your oil level. But could also be "nailing"
2. Black smoke is usually a bit of incompletely burned fuel. Could have an injector that has a bit of crud or carbon build up, resulting in a poor spray pattern.
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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. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#3
10-16-2006, 05:03 PM
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Oil should be fine. I was kinda hoping it was a successful Italian tuneup, but I doubt it. The smoke seemed to be more blue that black. But I wasn't really focusing on that at the time.
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Paul 2004 E500 4matic; 72,000mi
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#4
10-16-2006, 05:10 PM
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If it's running fine and the noise went away, could be a good Italian tune up. Blue smoke is engine oil smoke.
My car has 223,000. Does not burn oil, but likes to drip fron the oil separator and has blowby. Run great though. Loses about a 1/2 qt every 2500 miles. I figure she's just marking her territory.
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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. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#5
10-16-2006, 06:33 PM
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Does the "klacking" happen when the engine is revved up or under acceleration on a grade? Is it more noticeable when the engine is cold and then becomes less "klacky" as the engine warms up?
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1974 240D 3.0L 4(M) - 250K -OM617.910 + 300D FW + Rajay turbo power! 1977 6.9 3(A) - 84k
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#6
10-16-2006, 07:07 PM
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Quote:
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 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#7
10-16-2006, 07:29 PM
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I'm the folks that did the driveshaft. I may have messed something up, but it seemed to be eminating from the engine compartment, and engine related. I was jsut out for a spin and it didnt happen again. Driving on the same road, I can now say that I was definately heading uphill, and after 10 minutes of driving, it was also plenty hot. This wasn't the normal cold weather klack.
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Paul 2004 E500 4matic; 72,000mi
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#8
10-16-2006, 07:55 PM
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Quote:
__________________
1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#9
10-16-2006, 08:30 PM
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Yeah, that guy's done some pretty shoddy work in the past.
Anyway, now it seems to be running smoother. It may have actually been a strange variety of italian tuneup. perhaps sicilian?
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Paul 2004 E500 4matic; 72,000mi
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