How to Replace PCV Valve Dodge, Jeep & Chrysler 3.7 & 4.7

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How to Replace PCV Valve Dodge, Jeep & Chrysler 3.7 & 4.7

Рет қаралды 60,407

2 жыл бұрын

You should see what I found when replacing the PCV valve.
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Пікірлер: 123

@phillanassa759 2 жыл бұрын

Adding the updated PCV system is recommend when possible to prevent sludge and excess oil burning/blow-by. You can change the oil fill, and remove the PCV valves on the heads, then the new system is a direct fit with the updated tubes. This was part of the factory's update to address sludge and oil burning. Heat is also the enemy of these 4.7's keeping them cool and breathing goes a long way to extending their service life. I have 3 4.7's including one HO I'm installing in a 02 Jeep, the previous one failed due to heat, lack of PCV (sludge) and an improperly functioning power steering driven cooling fan. any one of or a combination of all 3 issues are what kill 4.7's more often than not, provided the oil is changed regularly during its life. Keep 'em cool and clean inside, they last forever with proper maintenance performed regularly!

@farerse 2 жыл бұрын

It's satisfying when you find and correct these little faults.

@martinbuilt 2 жыл бұрын

yeah I don't find the faults until it comes time to edit.🤬

@farerse 2 жыл бұрын

@@martinbuilt lol I did not mean the PVC/PCV mixup, I meant fixing something that was broken on the car.

@BrockTemple87 Ай бұрын

@@martinbuiltI need help locating the location where the other end of the pcv valve hose goes. Iv tried looking everywhere

@FireEater 2 жыл бұрын

Thanks Martin watching your videos for years working on my daughter’s 2004 Jeep grand Cherokee your videos are always helpful. 👍🏻

@martinbuilt 2 жыл бұрын

Thank you Mike I really appreciate that. Thank you for watching 👀

@chrispreston1068 Жыл бұрын

While I chase a Mistry rough idle with no error codes on my 2000 GC Martin's videos help me to not only locate the parts but also getting them changed with some extra tips along the way. As a owner of a 4.7 I will be following your content. Thank you.

@martinbuilt Жыл бұрын

Thank you so much Chris, I'm glad you liked it and found it helpful. I appreciate you subscribing.

@chrispreston1068 Жыл бұрын

Can you help with egr location on the jeep 4.7?

@martinbuilt Жыл бұрын

Yeah if you're 4.7 is equipped with an EGR it would be located on the driver's side cylinder head, all the way toward the back. Between the valve cover and the intake manifold.

@chevydmax237 2 жыл бұрын

You are the 4.7 man

@Dylansirver Жыл бұрын

You're so helpful! Finally, I found a video relevant to my problem.

@martinbuilt Жыл бұрын

Thank you. I'm glad you liked it and found it helpful.

@bjr2379 2 жыл бұрын

Always quality content from Martin. I was actually searching for your video about the PCV upgrade and found this video. My 4.7L WJ is leaking oil onto the Y-pipe and I need to get it fixed. I thought is was the valve covers, but I'm starting to think I have an oil leak in the PCV system. I replaced both valve cover gaskets a while back (very carefully) but they still leaked. At least I thought it was the valve covers...

@martinbuilt 2 жыл бұрын

Thank you, I am glad you liked it and found it helpful 👍 😊

@joehealey9173 4 ай бұрын

Thank you for this video. I found this same problem yesterday on my 03 liberty and now I know what happened[

@MyButtsBeenWiped510 7 ай бұрын

Thank you man, this video helped me a lot.

@danhambrick6331 2 жыл бұрын

Nice job Martin.That was a pretty creative use of a spark plug boot.😂😂

@martinbuilt 2 жыл бұрын

Thanks Dan, 😊 Yes I thought it was quite a creative way of using a spark plug boot as well too bad they just didn't cut off the top of the PCV valve It would've worked great.

@egoody2119 Жыл бұрын

Thank you so much. I had the exact same issue

@joseirizarry8256 3 ай бұрын

Great video, blessings.

@grindoutthisworld_dee3545 Жыл бұрын

Appreciate you for the video

@jayhost5722 Жыл бұрын

Perfect, thank you

@jesusrperezd 2 жыл бұрын

Great video, thanks Martin

@martinbuilt 2 жыл бұрын

Thank you I appreciate that 🙏 ☺

@nicholas4514 2 жыл бұрын

Martin, I love your videos. They have given me the confidence and know how to tackle many jobs on my 02 wj. What I am currently looking for is a video on replacing valve covers. I've seen several of your videos where you simply reference removing the covers and it's usually with a scowl. This unfortunately is my next project. Can you direct me to one of your videos where you tackle this? Thank you for your wealth of knowledge.

@martinbuilt 2 жыл бұрын

The first part of this video shows how to remove the valve cover on the passenger side witch is the hardest one to do. kzfaq.info/get/bejne/i7iihJykss2weqc.html

@robertgelley6454 2 жыл бұрын

Sneaky! Great video. Now I'm going to go change mine

@distractionchannel4954 2 жыл бұрын

@ Montréal...merci beaucoup !😇

@Jolly-Sid69 2 жыл бұрын

Martin, you are great.

@martinbuilt 2 жыл бұрын

Thanks, Roger 😁

@zooba1974 6 ай бұрын

Great video! Thank you so much!!

@martinbuilt 6 ай бұрын

Thank you I really appreciate that. i'm glad you liked it and found it helpful.😊

@johnvaldes8725 2 жыл бұрын

Vert helpful, thank you very much!

@martinbuilt 2 жыл бұрын

I'm glad you liked it 👍

@craigbutler024 2 жыл бұрын

On the 2000 4.7 why would the hose on the back/top of the valve covers going into plastic pvc pipes on both sides have what I can tell is antifreeze but the cylinders have nearly same compression and passed both pressure tests through the spark plug and radiator ?. I have had a issue with water disappearing without leaks or in the crank case or exhaust

@PhillyDee215 2 жыл бұрын

Cool video😎

@martinbuilt 2 жыл бұрын

Thank you 😊

@UncleRoots413 2 жыл бұрын

Ohh man. Now I can’t remember if I changed mine last winter or not. I for sure bought one. I think I did replace it but I might do it again. I keep finding that 4.7 sludge in the full tube. I had bought a mopar one too.

@danhambrick6331 2 жыл бұрын

That "sludge" you are finding is nothing more than condensation.It won't hurt anything.It will go away when the temperature warms back up.👍👍

@UncleRoots413 2 жыл бұрын

@@danhambrick6331 I know you are right but it still bothers me. Its usually not there once its hot. Usually. The other day it was totally warm though. Drove it here and there all morning. I also have temp sensors behind the thermostat and in the bleed port on the return neck for exiting and returning coolant, as well as an oil temp sensor. I made sure it was all the way hot before I changed the oil and when I opened the fill cap it was present again, it had not burned off.

@davidmaroni2774 2 жыл бұрын

Your awesome brother

@martinbuilt 2 жыл бұрын

Thank you 😊 I'm glad you found it helpful 👍

@davidmaroni2774 2 жыл бұрын

@@martinbuilt Maybe you can help me a little bit further. I have an 4.7L Aspen that was a no start; so far Ive replaced the the alternator, battery, spark plugs and coils. Now it starts, runs, but sometimes in cold start dumps a massive amount of a white smoke, until I put it into drive, and then will idle forwards but dies as soon as I touch the gas or hit the slightest bump. I have a slight tea color in the new air filter so I'm thinking it might be the pcv valve but I'm also getting a code for the crankshaft position sensor and random misfires in all cylinders. My question is do you think I should start with the pcv valve? On one occasion I removed the air filter to spray ether into it and there was actually white smoke inside the airbox, so I suspect it's choking off the oxygen in the combustion chamber. Im an Uber driver living in my truck currently and can only drive when it goes into limp mode, so if ever it stops revving to 4200rpms in idle and then goes to 2500, it will then work without stalling or white smoke but will revert to non-driveable condition as soon as restarted. Unfortunately sometimes it won't enter limp mode and just keeps dying

@winstonemerson2439 Жыл бұрын

Great video.Have you ever thought of doing a catch can on the 4.7 l v8.I used them on 5.7l hemis and they catch alot of blow by.

@martinbuilt Жыл бұрын

Thank you I'm glad you liked it. Yes a matter of fact I do have a catch can for my Grand Cherokee I went with the Radium universal catch can. I just haven't gotten around doing installing it yet.

@johnscott9347 2 жыл бұрын

I have a 2000 Durango 4.7 L what do you recommend for plugs and coil packs

@natewj1077 2 жыл бұрын

Hey Martin! So I have a quick question... I have a 99 Jeep WJ with the 4.7L, and out of curiosity I pulled off the two hoses on the back of the cylinder heads for the PCV system, while the engine was running, and I felt no pressure what so ever coming out of either of them. I'm personally used to older engines with valve cover breathers that smoke, indicating the release of crankcase pressure, however none on this one. Is this Normal? Sorry for the long question, but much appreciated!

@Kolonol1 2 жыл бұрын

I ran a hose about 6 in back and just cut it off... On the cylinder head in the back I put two nipples that screw into the head and put Edelbrock breather assemblies on it... small filters... It looks good and gets rid of all that ductwork

@bradleycrenshaw6778 2 жыл бұрын

Just ordered two small K&N filters yesterday to do just this myself

@Kolonol1 2 жыл бұрын

@@bradleycrenshaw6778 gets rid of a lot of unnecessary junk

@Bulletz4Breakfast13 Жыл бұрын

Hey MartinBuilt Can you make a video for replacing the: crankcase breather hose assembly on a 02 Jeep Grand Cherokee Laredo 4.7L V8 Part number: 94364GB I can't see what kind if connectors the hose elbows connect to back there. The middle one connects to the resonator air box on the driver side and two connect in the back down behind the hood. My WJ is 21 years old and I've broke several plastic tubes and connectors related to the PCV valve and breather tube due to it being very hard and brittle. I'm afraid to yank it off and find the connectors are plastic that break on removal even with Blaster silicone spray

@RedBarnFinancialTV 2 жыл бұрын

Is it in a different location on the 2006 (3rd Gen)? Then you answered my question 2 minutes in.

@Just_a_Guy84 Жыл бұрын

Do you know where the oil gallery gasket is located?

@jordanblair5410 2 жыл бұрын

According to my dealer, my 2006 Commander 4.7 requires a very expensive metal PCV valve that looks very different than yours. I'm guessing that it supersedes the cheaper plastic valve that you are using, possibly due to reliability issues. In fact, the dealer advised me that this metal valve covers most Chrysler products from 2002 to current, including the Viper!

@martinbuilt 2 жыл бұрын

Yeah, I like the metal PCV valve. I installed it on my 04 Jeep Grand Cherokee. Here is the video for that. Sludge & Freeze Problem Cure Dodge, Jeep, Chrysler & Mitsubishi 3.7 & 4.7 (PCV upgrade) kzfaq.info/get/bejne/pdOiY8-Xup6wdpc.html

@martinbuilt 2 жыл бұрын

Chrysler Genuine 53032925AC PCV Valve amzn.to/3KqkCwZ

@DavidTaylor-fx3uf 2 жыл бұрын

Great to see removed my 2002 Wj valve and it was full of gunge ordered a new one. Trying to figure out why it doesn't like starting first crank when motor is hot. Any ideas? Map maybe? No fault codes.

@martinbuilt 2 жыл бұрын

could be leaky injectors and it is flooding the engine and then drys out after a while. 🤔 I hate when it doesn't give you a code. 🙁 Currently dealing with a running rich situation with no codes. 🤬

@phillanassa759 2 жыл бұрын

Fuel pump and filter failure are common on these, cold start will be OK, but a hot start might drag on forever trying to start or not at all, if fuel pressure isn't over 45 pounds (normal hot and cold is 52) 50-55 psi average. If fuel pressure bleeds off after a key on/key off cycle, or after cranking the engine for a few seconds, the regulator in the tank fails to achieve and hold approx. 50 pst fuel pressure, the unit(s) are failed, and the regulator in the fuel filter isn't enough. This is why I change both, pump assy. and filter at the same time, both regulators work in concert. Fuel pressure is the biggest issue with a long-hard start especially hot, when there are no codes and the Crankshaft Position Sensor is verified to be working correctly. My '99 JGC had that issue last month. A new Wix filter and Delphi pump solved it 100%. I had NO codes before changing the pump, a fuel pressure test revealed the issue and verified the repair.

@SmudgyContent 2 жыл бұрын

Ohh hey Martin change the oil filler too the one off an 07+ era, yah won’t have thay moisture build up on the oil fill

@lastnamelim 2 жыл бұрын

Just watched your video on Timing Chain replacement 3.7L Jeep… I have removed timing cover and both valve covers. Crankshaft is lined up with TDC mark. I was just about to remove the old chain but noticed my cam sprockets weren’t lining up like in your video only my passenger side CAM sprocket shows the “V8” at 12oclock, while my drivers side shows the “V8” at 6oclock. How do I get both cam sprockets to show “V8” at 12 o’clock before removing the old chain? PLEASE HELP!!!! & Thank You for your videos!!

@martinbuilt 2 жыл бұрын

Then rotate the crank another 180*

@Iexpedite1 2 жыл бұрын

It’s aggravating to find you shot a whole video and there was a mistake in it. I shot a long video one day only to find my credit card was out and visible in the shot.

@martinbuilt 2 жыл бұрын

Well at list you didn't show them the 3 digit code on the back side...😅😬

@itsurboiijr6961 6 ай бұрын

@@martinbuiltmy truck is throwing smoke out the exhaust when I step on it and when I stop at a light it starts throwing smoke and stinks is this the problem if not can you help me please

@MyLevelheaded 11 ай бұрын

what codes were you chasing

@maddexxx847 2 жыл бұрын

Every time I pulled my oil fill cap off I would see a bunch slimy sludge. I replaced the pcv to see if this would help

@martinbuilt 2 жыл бұрын

You can do this mod to fix the sludge problem kzfaq.info/get/bejne/pdOiY8-Xup6wdpc.html

@arjay777 2 жыл бұрын

I have a 4.7L HO in my 2004 WJ Overland. Am I correct that there is no PCV valve in the HO engine? I can't find it if there is one. There is nothing attached to the oil fill neck on my 4.7L HO.

@arjay777 2 жыл бұрын

Never mind. I looked more carefully and it is there, kind of hidden under an aluminum A/C tube. Will order a new one.

@user-ue8ce8vu8s 7 ай бұрын

Hey Martin, I have an 04 second owner with 92224 miles don’t know if it was ever changed, should I just do it? Your videos are my go to. Happy Holidays

@martinbuilt 7 ай бұрын

Yeah, a 100000 miles is a good time to change it. Or you could just remove yours and clean it. Spray it out with some carb or brake parts cleaner.

@user-ue8ce8vu8s 7 ай бұрын

@@martinbuilt thanks

@piercerich9 2 жыл бұрын

Great video, thanks martin! Do you have any opinion on oil catch cans for 4.7's?

@martinbuilt 2 жыл бұрын

Thank you, glad you liked it. Yeah, I do have an oil catch can I have yet to install it I think there a great idea for any engine, especially a direct injected engine.

@timothygarza3699 10 ай бұрын

Hello, just wondering would the catch can go on that pcv line? I’m gonna buy one just need to make sure that’s where it goes. Thank you!!

@nate4036 2 жыл бұрын

Buddy had one that started to smoke like weak valve seals. We drilled out the ball on the PCV and reinstalled. It stopped smoking

@martinbuilt 2 жыл бұрын

Yeah, I'm actually surprised that this engine didn't smoke or leak oil with the PCV valve plugged with that spark plug boot the previous owner had used. I will eventually change it over to the newerstyle PCV valve located on the cylinder head, and change the oil filled tube as well.

@nate4036 2 жыл бұрын

@@martinbuilt is that definitely a worthwhile modification? I seen your video on the swap

@gabrielkopp2036 Жыл бұрын

How do you replace the elbow on the back of the manifold? Don't care about the pvc valve

@arjay777 2 жыл бұрын

Just ordered one. So unscrew/unlock is 1/4 turn counter-clockwise and screw/lock is 1/4 turn clockwise?

@martinbuilt 2 жыл бұрын

awesome, yep that's it. 👍

@cullichii2084 2 жыл бұрын

Martin, just curious where did you get the Pvc. The mine from autozone. Looks flatnon the end

@martinbuilt 2 жыл бұрын

2002-2007 take the one Autozone gave you. This is the one you're looking for Standard Motor Products 1999-2001 V365 PCV Valve amzn.to/2Z3ftI9

@SmudgyContent 2 жыл бұрын

Lolz you did the same on the last one… 😂 don’t feel to bad I did the exact same thing when i filmed it….. it’s like when ur on the spot with the camera it’s like nothing can come out right. Atleast for me…

@martinbuilt 2 жыл бұрын

Oh I know what you mean.😁😄

@davidmitchell2523 6 ай бұрын

Do you think these engines would benefit from an OCC or would it be detrimental?

@martinbuilt 6 ай бұрын

And oil catch can would be an excellent idea. I have purchased one for this engine but have not yet installed it.

@luckycharles5826 2 жыл бұрын

Hi Martin I have a p0601 code in my 4.7 can I repair it with out changing it.

@martinbuilt 2 жыл бұрын

You could repair it yourself but you will need to replace the PCM you can buy rebuilt one for around a $160.

@rabbit42007 3 ай бұрын

Were does the other end of that hose go??????

@martinbuilt 3 ай бұрын

To the back side of the intake manifold . Thank you for watching.

@justinracine6737 2 жыл бұрын

Interested in taking some RPM off at highway speeds in my 2002 ram 1500 4x4 with a 4.7. Any advice? I saw you did a TCM swap! How has that held up?

@martinbuilt 2 жыл бұрын

Yeah that was a great upgrade for under $40 and been seeing a slightly over 2 mile per gallon increase. Something I should have done as soon as I got the truck.

@justinracine6737 2 жыл бұрын

@@martinbuilt do you have a part number for the TCM? Having a hard time finding one but definitely keeping my eyes peeled! Love your videos. You’re awesome man

@justinracine6737 2 жыл бұрын

@@martinbuilt just swapped it out. Seeing better mpg and I feel like it shifts smoother. Do I need to do a quick reset on this Tcm? Can I hurt the trans this way?

@noemah3272 Жыл бұрын

@Nikita-hy8vt Жыл бұрын

Hey Martin. Some times I hear strange noise from PCV valve on my Jeep WK 4.7 - vibration and scratch. I had replace pcv valve, but issue is same. May be it is normal?

@SDxTJ 4 ай бұрын

If it’s a tic tic tic tic sound and vibrates at the same time it’s normal. That’s the function of the pcv valve.

@rodom303 2 жыл бұрын

I installed an oil catch can on my 4.7

@martinbuilt 2 жыл бұрын

I got one too but, yet to get it installed

@sebastianmartinez7173 2 ай бұрын

has anyone had issues when reinstalling pcv valve that it will click down, turn a click in the direction it needs to go but won’t rotate the rest of the way like at 4:16? dont want to break anything and i can feel the valve flexing when i try to put too much pressure

@TheFallenAngel13524 2 ай бұрын

if it's after market it might have some flashing or something wrong with the part itself stopping it from aligning properly. You could try cleaning out the hole and dabbing a little oil on the o'rings on the new one to make it easier to rotate.

@CFITOMAHAWK2 2 жыл бұрын

Dont pull hoses off when cold. They will break. Better do it with engine a bit warm instead.

@Trollet456 2 жыл бұрын

Something i never do again is to change pinion bearings in a jeep! Big failure to save money on that with bad knowledge and wrong tools. It broke down shortly after i replaced it

@martinbuilt 2 жыл бұрын

Yeah, I've done a couple of those, and it is a little tricky . For sure, you need to return the nut to exactly the same position it was when you took it off.