Question about 2003 Jeep Wrangler

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2003 jeep wrangler ,i want to change my pcv valve but auto part stores wont sell them why?

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Likely because your vehicle does not have one...many jeeps have a ccv which is a ported fitting in place of pcv...you can clean it out with a thin wire and some carb cleaner.

Posted on Sep 20, 2009

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Posted on Jan 02, 2017

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1 Answer

Where is the pcv valve in a 1991 jeep wrangler 4 cylinder


where is it, on a 2.5L I4 jeep. 1991. ok. first ever post with engine size.
bravo that. amazing....
the FSM covers this. factory service manual;,.
ok, i see you are reading books or web sites that have generic tuneup information, not relate to real jeeps, yes?
or bob with a toyota told me to change it out? yes?

Guess what?, there IS NONE.
it only has and ORIFICE.
and sure it can clog, and does, in fact i drove for 500,000 miles
in 3 jeeps. and cleaned it vast times.
on one car , the grommet got old and it the orifice collapsed.
and i had to buy a new one from jeep.
see word FIXED below.?
when it clogges, the engine leaks oil
and the oil pukes (backups) and dumps oil on the air cleaner.
there is no PCV valve, on this engine. but that dont mean its service free.






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Sep 29, 2014 | 1991 Jeep Wrangler

1 Answer

Why would my 1994 jeep wrangler have oil in my air filter and in the air filter box


pcv not working.check see if pcv valve getting vacuum at the intake if not look for broke or disconnected vacuum hose to pcv.if pcv valve working with engine running should feel vacuum suction at pcv if not pcv faulty.if pcv okay other possible causes for oil in the air filter.worn oil rings or too much oil in crankcase.

Dec 13, 2012 | 1994 Jeep Wrangler

1 Answer

I have a 2006 Jeep Grand Cherokee. I was told by an auto parts store that my Jeep with a 4.7 V8 has no PCV Valve. is this true? I've read that it's on the side of the fill tube ...nope nothing there....


Hello,

I searched pep boys, advancedauto and autozone and found no PCV valve listed for your 4.7.

I can say however that the last model Jeep (WJ) with the 4.7 had a PCV valve (cuz I owned one), and yes it was on the side of the engine.

You may also like to know that 4.0 (ZJ) Jeeps dont have PCV valves as well (cuz I owned 2) however the V8 (ZJ) V8s do have one (cuz I owned the rare 5.9).

Hope this helps.

Dec 29, 2010 | 2006 Jeep Grand Cherokee

1 Answer

I have a 1991 jeep wrangler.Getting motor oil in the air filter.What could cause this to happen? No PCV valve to replace.


Yes there is a PCV valve, you just have to look for it.
Engine may be over full on oil.

Jan 04, 2010 | 1991 Jeep Wrangler

1 Answer

My 89 jeep wrangler 2.5 4 cylinder has 2 holes in the valve cover. Front is for pcv valve. What is the rear hole for?


One at front usually goes to the air cleaner box...rear one is for pcv valve, but if cover was installed backwards they may be reversed. Pcv hole usually has a baffle inside to keep it from sucking oil into the airstream.

Sep 12, 2009 | 1989 Jeep Wrangler

1 Answer

Tear in top


auto part store sells a repair kit

May 06, 2009 | 2003 Jeep Wrangler

2 Answers

1992 YJ clutch fluid disapears.


check for leak at the push rod for the clutch master under the dash and also the slave cylinder and replact the leaking part

Jan 23, 2009 | 1995 Jeep Wrangler

1 Answer

Oil soaking my Air filter on 2003 Jeep Wrangler


Likely you already know by now, that you have a broken ring or bad piston. I can't believe no one answered you!!!

Dec 07, 2008 | 2003 Jeep Wrangler

1 Answer

2000 Jeep Wrangler TJ


The tube that comes out of the top of the valve cover is your pcv.
The grommet that it goes into gets blocked.

Oct 14, 2008 | 2000 Jeep Wrangler

1 Answer

1995 Jeep Wrangler YJ


a right angle pipe coming out from the top of the valve cover with a rubber hose attached. if you it out, shank it! it should sound like a mabble inside of it.

Oct 14, 2008 | 1995 Jeep Wrangler

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