PCV Maintenance on 2.7L - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 18 (permalink) Old 05-08-2005, 09:03 AM Thread Starter
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PCV Maintenance on 2.7L

I have a 99 2.7. I noticed that the rubber boot that connects to the valve was ripped. I pulled it off and the inside of the boot was soft, gooey and crumbled. The rubber had crumbled and turned into small bits of greasy oily crumbs. I ordered a new hose ($13). Don't try to buy one from a parts store. It has special bends in it and each end is a different diameter.

I unscrewed the valve and shook it, sure enough, many small rubber crumbs came out. I wonder how many were sucked into the engine!!

Anyhow, the valve was working still (strong suction when engine is started). I sprayed WD-40 in valve and cleaned it out good.

My point is if you have a 98 - ? 2.7 intrepid. Check you the hose and valve. The PCV valve is on top of the engine at about 1:00 from the center of it. The hose is both rubber and plastic and goes to the right to the head cover.
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post #2 of 18 (permalink) Old 05-08-2005, 01:07 PM
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There has been a bit of discussion of this. The deteriorated hose and blockage with a combination of goo and powder is a common observation on the 2.7L PCV valve hose.

I would encourage you to replace that hose with a part number 04663792AH instead - it will run you around $20 to $35 depending on dealer. It has a heat exchanger built into the hose, and circulates coolant water through the heat exhanger to keep all that gunk from condensing out in the hose and clogging it up. This part is used on factory 2.7's in '01 and later - I am certain it is part of the sludge problem correction for later 2.7's. I have this new part on my shelf ready to install soon into my '99. It requires routing one existing coolant hose that is currently between one of the heater hoses and the coolant pressure bottle to one of the two heat exchanger ports, and connecting a new hose (that comes with the new hose/heat exchanger assy.) from the second heat exchanger port to the pressure bottle port that the existing hose used to go to.


'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs

Last edited by peva; 05-08-2005 at 04:38 PM.
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post #3 of 18 (permalink) Old 05-09-2005, 07:23 AM
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Yeah, I just changed my PCV valve this weekend....my engine idles smoother now....got it from Autozone for a few dollars....didn't change my hose yet as I couldn't get to a dealer on Sunday....I'll get to the dealer soon for the hoses...
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post #4 of 18 (permalink) Old 05-09-2005, 10:22 AM
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Thanks for the info peva

BTW, does anyone have the part number for the rigid pipe that goes from the valve cover to this small rubber hose. Mine needs to be replaced because it is cracked
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post #5 of 18 (permalink) Old 05-09-2005, 10:46 AM
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Quote:
Originally Posted by 98Base
Thanks for the info peva

BTW, does anyone have the part number for the rigid pipe that goes from the valve cover to this small rubber hose. Mine needs to be replaced because it is cracked
You're welcome. I don't know if you can get just that pipe by itself - you might have to get the complete hose assy. - if you can order the old style (i.e., without the heat exchanger) it only costs around $10 for the whole deal valve cover-to pcv valve (but, again, you might consider upgrading to the '01-type hose assembly).
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post #6 of 18 (permalink) Old 05-09-2005, 11:25 AM
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Hey Peva, can you use the new style setup with the older style valve cover? The locations of where the PCV tube fits into the valve cover is different between the years. When I did my engine swap, I noticed that the '99 setup enters the cover from the top, and the newer setup enters from the back and there looked to be a difference in distance to the actual valve itself...I could be wrong though...
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post #7 of 18 (permalink) Old 05-09-2005, 11:36 AM
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Anybody need pics of this heat exchanger, I posted some a few weeks ago for Peva. The thread is "oil consumption" and they're on the second page about half way down.

Hope I posted the link below correctly, otherwise search and ye' shall find!

http://www.dodgeintrepid.net/forums/...ad.php?t=53111
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post #8 of 18 (permalink) Old 05-09-2005, 01:17 PM
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Quote:
Originally Posted by In2Deep
Hey Peva, can you use the new style setup with the older style valve cover? The locations of where the PCV tube fits into the valve cover is different between the years. When I did my engine swap, I noticed that the '99 setup enters the cover from the top, and the newer setup enters from the back and there looked to be a difference in distance to the actual valve itself...I could be wrong though...
Hmm - good question. I looked at it with the hood opened, but it's one of those things that you really don't know 'til you go to put it in. I'll try to get 'er done in the next day or so and report back. Even if it's not plug-n-play, I can't imagine it being too difficult to make it fit (perhaps using a piece or two off the old assembly).
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post #9 of 18 (permalink) Old 05-09-2005, 07:28 PM
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So is the part number 04663792AH the entire peice needed for the heat exchanger model? I mean from PCV valve to valve cover. If not then I guess I'll have to order th old style since I need the rigid pipe piece.
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post #10 of 18 (permalink) Old 05-09-2005, 09:18 PM
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Quote:
Originally Posted by 98Base
So is the part number 04663792AH the entire peice needed for the heat exchanger model? I mean from PCV valve to valve cover. If not then I guess I'll have to order th old style since I need the rigid pipe piece.
Sorry - I had intended to make that clear, but didn't.

Yes - with that P/N, you get everything you need - see photos below (keep reading 98Base - you don't need the rigid pipe with the new-style assembly).

Here's what you get:



The rubber elbow in the right of the photo plugs into the PCV valve. The straight rubber hose (pointing to the lower left) plugs into the pressure bottle where an existing hose now resides. The existing hose (from one of the heater hoses behind the engine) plugs into the second heat exchanger port (the one pointing downward). The rubber elbow in the left of the photo plugs into the fitting in the valve cover (see the photos below).


In the photo below, I positioned the new assembly next to the existing one. Looks like it will fit fine. I'm shaping the hose that comes with the new assembly to show how it will plug into the pressure bottle (in place of the old hose next to it - that old hose is the one that will connect to the other port of the heat exchanger):




Here (below), you can see that by removing the semi-rigid plastic tube (red arrow) from the 90 fitting coming out of the valve cover (the semi-rigid tube and the 90 fitting coming out of the valve cover are separate pieces) and rotating the 90 fitting to line up with the green arrow, the rubber elbow of the new assembly will plug right on (notice from previous picture that I have the new assembly shifted a little to the left, so if moved to the right to plug in to the PCV valve, everything should fit perfectly). I will need to be real careful removing the semi-rigid tube (which gets discarded) so as not to break the 90 plastic piece coming out of the valve cover.



'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs

Last edited by peva; 05-09-2005 at 11:12 PM.
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post #11 of 18 (permalink) Old 05-10-2005, 02:30 AM
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My 99 base has the newer set up?

After reading numerous posts on the PCV I decided to order a new one and then I was deciding if I should upgrade to the newer set up you guys are talking about when I looked more closely at my engine...

It has the newer setup.....

I took a picture of it but it is too large to post in my gallery so i will have to wait on a picture.....

The new PCV cost me 9.00 form the dealer.....Dodge was out so they sent me across the street to Chrysler who had one...

I went back and asked how I had this setup.....when they dont have it listed in their computers for my car.......

They dont know......Said they will do a computer check tomorrow and see if there was a model change......

I am the orig owner....The only difference was this car was a California Special....22d package was free.......

Anybody?
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post #12 of 18 (permalink) Old 05-10-2005, 07:17 AM
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Quote:
Originally Posted by jimtesla
After reading numerous posts on the PCV I decided to order a new one and then I was deciding if I should upgrade to the newer set up you guys are talking about when I looked more closely at my engine...

It has the newer setup.....

I took a picture of it but it is too large to post in my gallery so i will have to wait on a picture.....

The new PCV cost me 9.00 form the dealer.....Dodge was out so they sent me across the street to Chrysler who had one...

I went back and asked how I had this setup.....when they dont have it listed in their computers for my car.......

They dont know......Said they will do a computer check tomorrow and see if there was a model change......

I am the orig owner....The only difference was this car was a California Special....22d package was free.......

Anybody?
I don't know if this will clear up the mystery, but if you look at the parts blowups on '01 and later, they show the old style (no heat exchanger). But when you order the part number shown, what you get is the new style. IOW - the parts guys get no clue what the part that they would order would look like from their documentation - even if they're looking at later model parts blowups. I can only guess that either someone retrofitted yours (doubtful, since you are the original owner and it seems you would know) or the new type was used on CA engines earlier for some reason. Have them compare the part number listed for your car to the one I posted above (04663792AH). If it's the same, it's the new style.


'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs
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post #13 of 18 (permalink) Old 05-10-2005, 09:11 AM
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Okay now you guys have got me curious and better informed. But my question is how often does this part need to be changed? I have not even looked under the hood to check but just from reading this post I am thinking about changing mine. ($9 - $13 for part) and replacing couldn't hurt right?

As I have stated before usually the stuff under the hood I leave to the professionals but with all the knowledge around this place I may be changing that especially for changes like this one (which seems easy).
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post #14 of 18 (permalink) Old 05-10-2005, 09:52 AM
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post #15 of 18 (permalink) Old 05-10-2005, 10:29 AM
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Thanks for all the help guys. I'll be ordering the part today

regards,
Adam
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