Re: 94XJ Blow-by
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:407AC155.882B96E3@sympatico.ca... > Most XJ's don't have a PCV valve. What engine do you have in there? > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > Adonis wrote: > > > > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > > blow-by in which I have, he explained that I need to flush my engine, but > > googling around suggests that it may be my PCV valve (which is broken, > > physically) but also when the guy stuck his finger into the filler cap there > > was a very good amount of sludge, he wants to charge 40$ for an oil change > > to flush out the contaminants this week and to return next week to flush it > > again for another 40$, as well as he will replace the PCV, should this be a > > go? or should I go somewhere else? > > > > Any suggestions are greatly appreciated. > > > > Adonis I have an L6 |
Re: 94XJ Blow-by
Adonis wrote:
> I have an L6 Please see my other responses. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's |
Re: 94XJ Blow-by
Adonis wrote:
> I have an L6 Please see my other responses. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's |
Re: 94XJ Blow-by
Adonis wrote:
> I have an L6 Please see my other responses. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's |
Re: 94XJ Blow-by
Adonis wrote:
> I have an L6 Please see my other responses. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's |
Re: 94XJ Blow-by
make sure he installs the the revised vacuum supply harness for the system and
not just the valve Adonis wrote: > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > blow-by in which I have, he explained that I need to flush my engine, but > googling around suggests that it may be my PCV valve (which is broken, > physically) but also when the guy stuck his finger into the filler cap there > was a very good amount of sludge, he wants to charge 40$ for an oil change > to flush out the contaminants this week and to return next week to flush it > again for another 40$, as well as he will replace the PCV, should this be a > go? or should I go somewhere else? > > Any suggestions are greatly appreciated. > > Adonis |
Re: 94XJ Blow-by
make sure he installs the the revised vacuum supply harness for the system and
not just the valve Adonis wrote: > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > blow-by in which I have, he explained that I need to flush my engine, but > googling around suggests that it may be my PCV valve (which is broken, > physically) but also when the guy stuck his finger into the filler cap there > was a very good amount of sludge, he wants to charge 40$ for an oil change > to flush out the contaminants this week and to return next week to flush it > again for another 40$, as well as he will replace the PCV, should this be a > go? or should I go somewhere else? > > Any suggestions are greatly appreciated. > > Adonis |
Re: 94XJ Blow-by
make sure he installs the the revised vacuum supply harness for the system and
not just the valve Adonis wrote: > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > blow-by in which I have, he explained that I need to flush my engine, but > googling around suggests that it may be my PCV valve (which is broken, > physically) but also when the guy stuck his finger into the filler cap there > was a very good amount of sludge, he wants to charge 40$ for an oil change > to flush out the contaminants this week and to return next week to flush it > again for another 40$, as well as he will replace the PCV, should this be a > go? or should I go somewhere else? > > Any suggestions are greatly appreciated. > > Adonis |
Re: 94XJ Blow-by
make sure he installs the the revised vacuum supply harness for the system and
not just the valve Adonis wrote: > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > blow-by in which I have, he explained that I need to flush my engine, but > googling around suggests that it may be my PCV valve (which is broken, > physically) but also when the guy stuck his finger into the filler cap there > was a very good amount of sludge, he wants to charge 40$ for an oil change > to flush out the contaminants this week and to return next week to flush it > again for another 40$, as well as he will replace the PCV, should this be a > go? or should I go somewhere else? > > Any suggestions are greatly appreciated. > > Adonis |
Re: 94XJ Blow-by
The link below helped me as well, I just gor my ZJ and it took all of 5
minutes to change the CCV, I was told by a mechanic that I needed a new rear main seal, and quoted 6 to 10 hours to fix. As we were changing the CCV I realised it was probably a simple clean up with carb cleaner and a wire as well. But at less than $10 CDN, I put the new one in. You should use a Forked Pry bar and make sure the prongs are long enough to fit around, you may break the plastic lip. Paul 1995 ZJ 4.0 Limited. BTW I changed the Valve cover Gasket as it was leaking too from the back. "Mike Romain" <romainm@sympatico.ca> wrote in message news:407B0B26.B2BAC641@sympatico.ca... > The rear plastic tube is plugged up. A good soak in carb cleaner and a > ream with a chunk of insulated wire fixed mine. 12 gauge automotive wire > I think it was. > > The CCV grommet in the rear has a metered hole that can be cleaned out > with a paper clip. If it has been blocked for a long time, sludge will > have built up and the grommet might need to be taken out to clean under > it or even the cover removed to really clean it out. > > The CCV is calibrated to use the air intake hose from the filter. If > the grommets are leaking, too much air can get in and the CCV will not > suck hard enough so again oil spits into the air filter. > > Same for a worn out oil filler cap. > > But if the back tube is plugged, it just spits oil out everywhere, fix > that first and see if the leaks continue, if they do seal more up. > > Here is a link on it with some part numbers for new: > > http://www.off-road.com/jeep/cheroke...ltr/blowby.htm > > Mike > > > Lee Ayrton wrote: > > > > Ah, thanks, you just opened the can of worms that I was looking at. My > > `89 Cherokee 4.0 is blowing a respectable amount of oil into the filter > > box, as well as around both valve cover grommets and the filler cap. > > There's a small diameter hard tube that exits the rear third of the valve > > cover and enters the intake manifold. There's a large-bore hard tube that > > exits the front third of the valve cover and enters the rear of the filter > > box. Clearly something isn't venting correctly, but where should I look? > > > > On Mon, 12 Apr 2004, Mike Romain wrote: > > > > > So I guess no matter what engine you have it does need a couple > > > flushes. You should put an additive in, drive it a bit then change the > > > oil. Several times. > > > > > > I am concerned a bit with the PCV thing. If the mechanic doesn't know > > > the difference between a PCV and CCV, well... Run fast... > > > > > > Jeep engines are really touchy about the PCV and CCV systems working > > > right or they can blow massive amounts of oil into the air filters. > > > Enough I know a few folks that got suckered into new engines only to > > > have the same oil blow that only needed a $5.00 fix... > > > > > > Mike > > > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > > > 88 Cherokee 235 BFG AT's > > > > > > Adonis wrote: > > > > > > > > I took my 94XJ to a local Jeep hobbyist install/repair shop with some > > > > blow-by in which I have, he explained that I need to flush my engine, but > > > > googling around suggests that it may be my PCV valve (which is broken, > > > > physically) but also when the guy stuck his finger into the filler cap there > > > > was a very good amount of sludge, he wants to charge 40$ for an oil change > > > > to flush out the contaminants this week and to return next week to flush it > > > > again for another 40$, as well as he will replace the PCV, should this be a > > > > go? or should I go somewhere else? > > > > > > > > Any suggestions are greatly appreciated. > > > > > > > > Adonis > > > |
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