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CR-V::Clinical Rounds Routine maintenance, problems, solutions and repair

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  #1  
Old 11-22-2010, 09:04 AM
dammitjim dammitjim is offline
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Default Oil leak near passenger side of valve cover

I'm looking at a 2000 CRV that has an oil leak that appears to be coming from the passenger side of the valve cover. That area is saturated with fresh oil and there is even some collecting in the recesses on the top of the air filter cover.

Does this sound like it might be the round cap at that end of the exhaust cam? A distributor seal? Something else?
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Old 11-22-2010, 10:12 AM
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Take a rag and wipe the area clean. Start it up and watch. If it is leaking that much oil, it should be obvious fairly soon.
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Old 11-22-2010, 02:38 PM
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Quote:
Originally Posted by dammitjim View Post

I'm looking at a 2000 CRV that has an oil leak that appears to be coming from the passenger side of the valve cover. That area is saturated with fresh oil and there is even some collecting in the recesses on the top of the air filter cover.

Does this sound like it might be the round cap at that end of the exhaust cam? A distributor seal? Something else?
Yes, it's the 'round cap at that end of the exhaust cam' and I have two of them that leak. It's on my fix list for wife's car and for mine.

Excellent HONDA parts diagrams and part numbers can be found at www.hondapartsdeals.com. It's a good site to BOOKMARK. Those parts diagrams are almost as handy as owning the proper service manual, and it's FREE.

I think we can use silicone adhesive, but using paper towel to catch the drips for now.

Very common problem. Many threads exist.

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Old 12-09-2010, 04:21 AM
dammitjim dammitjim is offline
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I replaced the cap about 2 weeks ago and it looks like the problem is still there. You can see the oil splatter on the hoses in this pic. I cleaned the hoses off and that's how they look now after 100ish miles of driving. I haven't had a chance to clean up the side of the engine.

Wherever it is leaking there is enough velocity for this spray of oil to hit the airbox cover, but it's not obvious when the car is parked and idling or revving.

Any thoughts where this might be coming from? Distributor gasket/valve cover gasket/something else?

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Old 12-09-2010, 08:05 AM
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Your oil leak must be coming from the corners of the valve cover gasket. Remove the cover, and carefully dry off the gasket.

When you clean up all traces of oil old silicone off the humps on the head, use something soft like your finger nail or a popsicle stick, not a steel scraper. You don't want to gouge any new 'channels' in the mating surfaces of the aluminum head.

Follow the instructions in the (HONDA manual) picture and put a tiny film of appropriate silicone on the corners and slap it together.

You only need a thin film of the silicone.

If it looks like the way children put toothpaste on their brush, you've used too much.
Attached Images
File Type: jpg Silicone Gasket Cover.JPG (97.2 KB, 111 views)
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Last edited by 'Curly Q Links'; 02-26-2012 at 11:37 AM. Reason: clarity
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Old 12-09-2010, 04:21 PM
AWDjustin AWDjustin is offline
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I know on mine, I was having a very similar issue. I went to honda bought a new distributor o ring. I have been leak free since then.

The o ring it's self is easy to install and cheap to buy. My dealer even had them in stock.

Hope this helps. When you do purchase a new ring (if thats what you decide) I recommend cleaning the area under the distributor with brake cleaner to see if the leak returns. It's either that or a valve cover gasket, which both are easy to replace. Just do as the link/pic shows above and you'll be golden. The valve cover gasket is like $12 from honda, that's where I recommend purchasing it from. I've purchased part store ones, and they've always failed me.

Good luck
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Old 12-11-2010, 08:54 AM
dammitjim dammitjim is offline
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Is replacing that oring as simple as unbolting the distributor, swapping the ring and then bolting it back on? Does that mess with the timing?

NM, answered my own question -



http://1.bp.blogspot.com/_FRB0hULyNL...oto-767413.JPG

Last edited by dammitjim; 12-11-2010 at 09:02 AM.
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Old 12-11-2010, 09:39 AM
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Quote:
Originally Posted by dammitjim View Post

Is replacing that O-ring as simple as unbolting the distributor, swapping the ring and then bolting it back on?

Does that mess with the timing?
If you scribe a mark on the right part of the distributor you won't have to check the timing.

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Old 12-11-2010, 11:32 AM
dammitjim dammitjim is offline
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^ Thanks, that's a good idea.
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