CRD experts. What might be leaking here - JeepForum.com
 
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post #1 of 3 Old 10-18-2021, 12:36 AM Thread Starter
rokrau
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CRD experts. What might be leaking here

Would anybody have an idea what could cause thick, black, grimy buildup right under the strange plastic resonator thing as shown in the attachment?
Is this my throttle body leaking?
Or gunk slung up there from some place else?
Also. What is that resonator for?
What sensor sits there?

Thanks

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--Roland, 2008 Grand Cherokee Overland, 3.0 CRD, EHM and TRD
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post #2 of 3 Old 10-19-2021, 04:43 PM
wookiee
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If the connection of the turbo pipe just above the resonator isn't made correctly, oil will mist out of there. It also has an o-ring to check.

Whatever the source, you have about 5,000 miles remaining before your belt shreds (due to oil contamination). You might want to change it after you correct the problem.


Look at page 6 of Chirpz pdf bottom pic to see where I mean.

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post #3 of 3 Old 10-20-2021, 08:29 AM
Benzrokee
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One other place to look is at the oil filter housing where it mates to the engine for leakage, this is so close to the belts and pulleys that it can spray and be thrown around the entire front of the engine. The resonator itself is also known to crack, so it could come from there:



Best method for tracking down leaks is to first de-grease and clean the entire front area of the engine, and then monitor for fresh oil.
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