puff of smoke from rh engine bay rear bulkhead - Chrysler 300C Forum: 300C & SRT8 Forums
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post #1 of 10 (permalink) Old 05-26-2011, 11:44 AM Thread Starter
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puff of smoke from rh engine bay rear bulkhead

Hi,

I have noticed very occasionally a puff of smoke coming from the rh side of the bonnet right in front of the hinge when pulling up at junctions. It has happened twice so far in tha last weeks. Today I pulled over and popped the bonnet but was unable to pinpoint exactly where the smoke was coming from - other than the rh side(drivers side) lower rear side of the engine.
I havent noticed any oil or diesel patches on the driveway nor any leaks under the car...
Anyone know anything probable or known to do this on the CRD model?


thanks in advance!

Last edited by KANE; 05-26-2011 at 11:45 AM.
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post #2 of 10 (permalink) Old 05-26-2011, 01:14 PM
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It may be worth you having a close look at the heater/coolant pipe that runs across the bulkhead behind the engine, some owners have had them rub through on a bolt and start to leak.
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post #3 of 10 (permalink) Old 05-29-2011, 12:52 PM Thread Starter
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well, I havent investigated in depth, but it has done it once again.
I pulled over and lifted the bonnet to see puffs of smoke coming from the drivers side of the engine bay. It continued until I switched off the ignition and restarted the car!?!?
Thing is it smells like burning oil or diesel...... yet I have no oil or diesel leaks visible under the car??

done another 300 miles since and it hasnt happened again yet... veyr weird..

Last edited by KANE; 05-29-2011 at 12:53 PM.
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post #4 of 10 (permalink) Old 05-29-2011, 12:59 PM
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It would help if you updated your profile with your location & actual model type

CRD 's have a regular problem with the junctions on the diesel supply lines, where they change from metal to rubber - the clips holding them together are pretty rubbish & allow diesl to spray into the engine bay. This needs sorting ASAP as any oil hitting the alternator will kill it stone dead, (apart from the loss of fuel/stink/fire risk). You probably wont see a major sign of a leak until a total failure, at which point you have a nightmare on your hands

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post #5 of 10 (permalink) Old 05-30-2011, 03:20 AM
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Even if you have a fuel leak you probably won't notice anything dripping under the car as it gets absorbed by all the sponge and padding on the trays under the engine. Blew a rubber pipe last week and lost about 2 gallon of fuel in 50 mile. I think the padding underneath absorbed about a gallon.
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post #6 of 10 (permalink) Old 06-15-2011, 09:54 AM Thread Starter
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I have to admit I havent done anything about this as it haddnt happened again until today.
Still couldnt see where it was coming from, but was much more smoke than the last time, so I will need to go over to my mates and get the car up on the lift and take off the engine tray to have a good scout about.
Is there a superior aftermarket replacement for the fuel lines mentioned above?
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post #7 of 10 (permalink) Old 06-16-2011, 02:01 AM
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The original are crimp type fitting, change them for jubilee clips and you should be ok



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post #8 of 10 (permalink) Old 06-17-2011, 12:01 AM
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10mm rubber dedicated fuel hose and good quality jubilee clips (cos they need to be very tight) from Pirtek is all I used. Better than having to pay 74.00 + vat from the robbing stealer for a fuel pipe kit when all I wanted was a 4" piece of 10mm pipe. You can fit it without it kinking as the angles aren't that severe.
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post #9 of 10 (permalink) Old 06-21-2011, 08:07 AM
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Pull the plastic enginer cover off and the foam cover and see if you have a fuel leak coming up from the block where the injector goes.. I had this on mine and it was the copper washers that goes there.. The injector will need to be pulled out and a replacement copper washer will need to be used.. Another known issue from Mr Merc and Mr Benz
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post #10 of 10 (permalink) Old 06-21-2011, 09:20 AM
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Quote:
Originally Posted by craigyboy View Post
Pull the plastic enginer cover off and the foam cover and see if you have a fuel leak coming up from the block where the injector goes.. I had this on mine and it was the copper washers that goes there.. The injector will need to be pulled out and a replacement copper washer will need to be used.. Another known issue from Mr Merc and Mr Benz
My brother work at a Merc dealer and has seen our engines (fitted in Sprinter vans) blow injectors out of the heads.
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