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om642

  1. F

    V6 320cdi (OM642). Change poly v belt

    Is there a guide out there on how to do this on a 2006 c class? Will I need any special tools? Am I likely to find other issues/need other parts? The belt is cracked from age. I found this, that for a GL. Is it the same prcedure and as easy as that seems...
  2. A

    OM642 mysterious coolant leak

    Dear new forum friends, please help me with internet diacnostic :) I have a 2011 viano V6 cdi (om642 engine / 722.683 tranny). All and all, it runs and beahves well, but i have a mystery cooalnt leak. It was purchased from germany with rapaired front end accident damage. At first the...
  3. S

    CLK 320cdi V6 (OM642) 'Hot Start' issue.

    I can't figure this one out. Car has done 110k. Cold starts in the morning are no problem. Drive the car up to temperature. Do a short stop off, such as a shopping trip - about 20-30 minutes, car will start, but almost fails to 'catch' and splutters on startup. Drive is perfect. Drive the...
  4. BIG_G_1979

    help need advice on a hose om642

    Hi guys I have noticed a slight weep on one of the hoses on the engine, can someone help me identify this hose and its function, also can someone advise me of the difficulties that diy mechanic might have replacing this hose. The pictures are not great but the hose in question is the very bottom...
  5. S

    W221 OM642 S350 Slight Oil Leak - What is this part?

    I have a slight oil leak coming from the left rear of my engine. It appears to be from the area of the large round plastic valve (?) with two tubes connected to it. The following image of a Chrysler OM642 engine shows the part I mean...
  6. BIG_G_1979

    oil filter tool on om642

    Hi guys I bought a 76mm 14 flute filter tool but is way to small anyone know what size I need?
  7. mirras

    Not impressed with OM642 hoses

    Spent a bit of time under my w221 S320 for the first time yesterday with the under-trays removed. Was replacing a split intercooler hose and I am very unimpressed but the layout of the various rubber hoses and pipes. There are a few air-con hoses with rubber 'spacer sleeves' deliberately fitted...
  8. mirras

    Help Please - What fits here ?- OM642

    Folks, I have a split in what I think is an air hose on my W221 320CDI. The part connects to the adaptor on the throttle body shown below... I've trawled through EPC and can't find it, can anyone point me to the right section or help me with a part number please?
  9. t-dawg1

    OM642 MAF problem

    Quick Question- On my E280 OM642 iv has that P0100 for months now,last time it was on star tech said left side MAF faulty. Thing is iv no power loss,management light or poor consumption,car drives very well kickdown etc. should I buy a new maf or just leave it as it is as it car is working fine...
  10. A

    2005 E320 OM642 white smoke at start-up

    I have an E320 sport with 120K on the clock and a white smoke problem. When the car is started it can sometimes take a while to start (5-6 seconds) and when it starts a puff of white smoke is emitted. If I turn the ignition onto position 3 for 10 seconds prior to start the engine starts...
  11. Y

    Help!!! My engine is knocking will any bhp om642 engine fit

    Hi all my om642 engine is knocking an im trying to source a replacement its only done 54000 miles im wondering if any om642 engine will fit or does it have to be the same bhp Thank you
  12. Y

    Wanted om642 engine fully working no more than 65k miles

    Wanted om642 engine same as chrysler 300c crd
  13. jeremy156

    7g-tronic in OM642 engined W221

    As referred in this fascinating thread: http://www.mbclub.co.uk/forums/engine/137448-7g-tronic-tiptronic-user-notes.html as well as the User Guide, the expected behaviour of the gearbox in Comfort mode is that it'll pull away in second gear rather than first. This doesn't happen on my car and...
  14. S

    OM642 Repeated Vacuum Pump Failure / Oil Feed Issue

    We are now on to our third brake vacuum pump on a car with this engine and they are failing quickly, which may suggest that the oil is not feeding to the vacuum pump. I understand, however, that it is impossible go investigate this properly without removing the left cylinder head to check the...
  15. t-dawg1

    O2 sensor W211 OM642 V6

    Well mine was STAR'd last week and guy said my 02 sensor is not working properly anymore and needs replacing(my avg MPG is 31 now). How hard a job is it coz I know it's attached to the exhaust near the gearbox right and its a case of unplugging and unscrewing it and put in the new one.Could I do...
  16. S

    Air Intake Pipe 320 CDi engine (OM642)

    I have tried to Google the part number for the 'Y' pipe (air inlet) that is fitted to the OM 642 V6 diesel engine in my car. (and turned-up a blank) It has been over-tightened by someone in the past,and the plastic has cracked, and therefore oil can leak from it directly onto the inlet port...
  17. D

    OM642 | o2 sensor & or inlet?

    Hi All, I've just done a mod (thanks to Alex Crow) to fool the ECU with my faulty inlet motor. I now have a couple of codes P0130 & P0135 is this likely to be just the o2 sensor or is it a false reading and caused by a stuck inlet valve? Thanks
  18. t-dawg1

    Mercedes W211 V6 OM642

    Gave my beauty a good full service today and she feels brand new again. Not a bad 3hr job considering it's only my second time servicing a car. All parts came in at £90 that's oil,oil filter,fuel filter and 2 air filters. Very satisfying job and gives one peace of mind in that all is done and as...
  19. t-dawg1

    Air Filter change on OM642 Engine

    Can someone please help me on how to remove and replace my Air Filters on this engine? Iv seen how to remove the middle black air pipe but the side black boxes which hold the filters look squeezed into the sides?
  20. mbzclk

    OM642 Inlet Port Shut Off Motor - Swirl Flap - For Diesel C E S CLS CLK 320 CDI

    Used part, removed from my car as it was replaced when having the inlet manifold changed. This part is in working order and pulled from a running car. It's an original Mercedes part - made by Pierburg. A 642 150 01 94 - Number on the part Same as A 642 150 04 94 Check with local dealer...
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