drase

Adios CC! I sold my MJ to my mechanic as I did not possess the mechanical knowledge I thought I had to keep the MJ running. I took the fender flares off as I was going to put on Bushwackers if I was going to keep it. I got a 08 Taco to take its place. Here are the last pics before I sold it. Can't believe I had it for 4 1/2 years!

UPDATE: It was the driveshaft U-joints. Replaced both and no more vibration!! :banana:

Awww, thanks for the info. I think the mounts are ok, I'll check them out.

I have a 2WD, 6 cyl, auto, 87 MJ. I have vibration above 40+ mph only why I'm accelerating. If I let off the gas the vibration stops. Does this sound like a driveshaft u joint problem more than axle? On a 2WD truck how many axle u joints are there? Just 2, which are on the front?

Winter Haven, Polk County. What up Muddfoot?!!!

Got back from store and got 1/8 vac line b4 I last post. My tube that connects from airbox to intake manifold is on and it looks like yours is off. Only place I see where to put line is a black piece that has 2 holes on side of manifold facing valve cover. I already put the vac line in the top black hole and truck still runs rough. The bottom hole looks like part of a vac line is broken off in it. I tried to pull it out and the whole black piece came out. I'm not sure if the bottom one has a part of vac line caught in it. I feel like I'm so close but so far.....lol

I just looked and vac line from MAP sensor was broke halfway down. Does anyone have a pic to where it connects to intake manifold? I take it vac lines are universal size.

Awwww, thank u Hornbrod.

Yes, it ran fine before VC gasket install. I don't know where the MAP sensor is or which ones are vacuum lines but will check all lines to see.

Installed the Felpro blue rubber gasket (cover side up) on my 4.0 auto and now the truck is running very rough. Screwed in screws from middle out to ends. The RPMs are about 250-500 at idle, the truck shakes and white smoke is blowing out of tailpipe. When I go up to about 3k RPM it turns to black smoke. I cannot see any leaks in the VC. Disclaimer: I have limited mechanical knowledge compared to others on here.

And the rubber/steel VC retainer grommets go on the 15 bolts that screw the VC to the engine block?

In case anyone is needing the 4.0L grommets also, Quadratec has them on back order until end of next week. Morris 4x4 only had 2 in stock but placed a drop ship order from their warehouse in GA and will go out tomorrow. My local stores (Napa, Advanced) did not have any grommets in stock either. FYI: Quadratec owns Acme Jeep Parts, Savannah Jones & Super Truck Essentials and they all ship from the same warehouse. I know this because I placed order at Acme, called and cancelled once it showed on backorder. If anything is out of stock on one of these sites they all are.

Wow, all the years on here and never seen so much hate. Thx Hornbrod, for your help. Cruiser54 f@ck off. I found the right grommets online and ordered them b4 this thread went to $#!&.

I don't need see how pics of the harnesses answers my question. I don't need harnesses and does not show or address thr rubber grommets around the valve cover.

Yes, referring to these: http://www.quadratec.com/products/51309_0101.htm

Yes, the stock aluminum one. Do I need to buy replacement rubber grommets for the valve cover if I use the blue Fel Pro? The previous rubber ones had decayed.

THANKS FOR NOT ANSWERING THE QUESTION! If someone can actually answer this question: If I get this valve cover http://shop.advanceautoparts.com/p/felpro-valve-cover-gasket-set-vs-50522-t/15780775-P?zoneAssigned=1&prefZC=33884#fragment-3 Do I still need to buy these metal and rubber grommits? http://www.quadratec.com/products/51309_0102.htm http://www.quadratec.com/products/51309_0101.htm

So no one in the Comanche universe knows the part #? I even looked at the Cherokee forums and they don't either! Thats crazy no one knows it, its like a mystery part. Here's my second problem: There are no metal grommets on the valve cover. Previous owners must have taken them off. Also the rubber grommets are destroyed and the Fel-Pro replacement gasket I got has no grommets at all in it. It is the felt one, not the blue plastic looking one. The instructions say to use RTV. Just called Jeep dealer and he can find no part #s for the metal and rubber grommets. So, anyone know the part #s for the metal AND rubber grommets for the valve cover? Sizes of them? Or where to get them at?

Bump for the PART #!!!!

http://comancheclub.com/topic/15078-valve-cover-gasket-problem/ http://comancheclub.com/topic/12404-valve-cover-vacuum-orifice-gaskets/ I did as the above two threads are about. I did not know about these 4 gaskets inside the valve cover when I was cleaning it today. Neither thread state the part # for them. Does anyone know the part # for this triangle gasket? I would rather buy the part then put RTV in it.

I have the same grenade air freshner!

OMG...that will be awesome! Please do this!

http://ocala.craigslist.org/cto/4835894543.html

The HK VP9 from my wife that I've been wanting so bad!!!

As soon as I turn it on the RPM's go up to 1200 and when I let off of the accelerator the truck won't slow down. I drove down my road with my foot off the accelerator and it never went under 10 mph. Any ideas whats wrong with it?