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Old 03-08-2015, 08:13 PM
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Is it possible the sludge has accumulated on the oil-level sensor? Why does the CCV suck so much on this vehicle?

My wife's commute is 35 minutes each way - half highway, half city.

Advice?[/QUOTE]


Hoooly shit, that's a lot of mayo! You need to clean that shit off ASAP. 35 minutes each way is enough to burn off the condensation. The problem is the condensation is happening when the engine is cooling off. Since the 35 minute trip is enough to warm up the engine, it's going to create more condensation when it's cooling. I'm going to give you the same advice I gave someone else on other thread.

" I know not everyone will agree with me but I've been able to keep my CCV and hoses in the winter time pretty clean by using a bit of WD40 and a rag to clean off visible condensation aka "Mayo". Spary a bit inside the oil filler, a bit inside the CCV hose that connects to the CCV along with the VCG port and the oil dipstick. You can't really wipe anything in the oil dipstick but WD40 will help break down the mayo if there is any inside the oil dipstick.

This alone won't help to prevent condensation. As upallnight has mentioned, I remove the oil cap and let the heat vent after use whether it was a hour trip or a 5 minute run. I leave the cap off for a few hours and cap it back up after everything looks dry and cool.

Most important is to give it a good drive at least once a week to burn out the rest of the condensation. After I've taking my X on a long run, I still remove the oil cap and let it vent. With all of the above, I've been able to keep condensation at a minimal. Hope this helps. I leave my hood open while it's venting BTW."

Now as for cleaning it now, first clean the oil cap. Spary the shit out of it with WD 40 and wipe with a rag. Repeat as needed. Second, clean inside the crankcase the best you can with the rag and WD40. Third, remove the CCV hose (The one shown in the picture) and spary both sides. The one coming from the VC and the one coming from the CCV. Repeat as needed. Last spray the oil dip stick. I know you can't wipe anything inside but the WD40 will help break down the mayo that inside there. After you've done all of that take it for a hour drive to the Express Way and run her hard.
Repeat as needed.

Since there is a lot of mayo in the CCV and crankcase, it will take several time for it to clean out. Doing this with the above mention should help you out. Good luck.
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Last edited by BMWX5CHI; 03-08-2015 at 08:28 PM.
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