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  1. YJ Wrangler Technical Forum
    We’re installing an arb locker in the front axle (Dana 30) and I was wondering what I should do with the vacuum line for the 4wd? If anyone knows it’d be much appreciated.
  2. Jeep CJ Forum
    Hey all, Just picked up a CJ7 and I made this account because i'm sure i'll be using it a lot. I just spent the weekend upgrading the valve cover (tapping the holes, mounting it etc.) and that all went off without a hitch. It's sealed well and no oil is leaking. Now however, I am having a...
  3. Jeep CJ Forum
    First time post and first time Jeep owner. I have found so much great info on this site, but one common thread is how quick everyone seems to be to dump their emission vacuum lines. As a resident of CA, I really need these vacuum lines working properly for my registration. I have tried...
  4. Engines & Drivetrain
    I purchased a 2001 Jeep Grand Cherokee 4.0L, after purchasing it the check engine light came on and gave me code P1494. Everyone said most of the time its the 90-degree elbow on the intake manifold, which seems to be the case since someone shoved a bolt into one of the vacuum lines. I believe...
  5. TJ Wrangler Technical Forum
    I just bought a 97 Wrangler TJ with AC. The AC and heat work, but they only come out of the floor vent on the passenger side, and the side window defroster vents above the regular face vents. The face vents on both the driver and passenger side, the floor vent on the drivers side, and the...
  6. XJ Cherokee Technical Forum
    Hello! New to the forums and new to world of jeep. I bought an 91 XJ Limited with the 6 inline to be my daily driver back a year ago, and now I finally have some funds and time to restore it to proper working condition. Unfortunately, for every problem I fix, seems like 2 pop up in its place...
  7. XJ Cherokee Technical Forum
    I have a 97 jeep Cherokee sport 4.0L, and my blend doors do not operate. I've checked out the actuators and when I turn the selector none of them move. In the engine bay I found two rubber nipples protruding through the firewall and one is un attached and the other disappears into the wire...
  8. Jeep CJ Forum
    I have a 76 cj7 with 304 v8 and automatic. I changed the paper glove box to plastic and when removed the emergency switch I saw that the vacuum lines were cut. Does anyone know where the center line connects to the engine?
  9. YJ Wrangler Technical Forum
    I recently bought my jeep and my idle was staying high for way to long. After a bit of diagnosing I realized I had a vacuum leak from a cracked connection at the main vacuum at the end of the intake manifold. I kinda just removed the vacuum line and plugged the hole and my problem was solved...
  10. YJ Wrangler Technical Forum
    Hello there, I recently had a bit of snow come my way so naturally, I tried to test out the 4wd. Now, the 4wd light comes on when I shift into 4hi or 4low but they front axle does not engage, the back wheels just spin while the front just stay there. After a little research, I decided to check...
  11. XJ Cherokee Technical Forum
    What's supposed to go here??? :confused:
  12. TJ Wrangler Technical Forum
    2003 YJ Wrangler. My AC defaults to the screen or defrost direction when I push on the gas pedal to go uphill or accelerate :( . As soon as I ease of the throttle it returns to it's direction as indicated on the dash dial. I'm guessing this is something to do with the vacuum but no sure if...
  13. TJ Wrangler Technical Forum
    :cheers2:Did a motor swap in my 2.5 and labels can off the vacuum hoses every diagram or Manuel makes no sense at all now IM not sure if I have them hooked up right and the Jeep OS running rough when accelerating between 2k RPMs and 3RPMs seems sluggish but seems.fine if.org go over or idling IM...
  14. Full Size Jeep Forum
    okay so just recently i swapped a 1982 wagoneer dana44 with manual locking hubs on to my 83 wagoneer which had vacuum hubs and lines going to the diff cover. before i did this swap, i could put my jeep in 4wd and it would only turn the drive line, not the hubs, but now it wont spin the drive...
  15. Engines & Drivetrain
    This is obviously next to the battery on a 92 wrangler YJ. 2.5 liter if it matters. I cant find the other end that it should have connected to. Thanx for your help! EDIT: I forgot to mention, but it's the broken line that's turned downward! I know that may seem obvious, but I didn't wanna...
  16. YJ Wrangler Technical Forum
    Hi, my front axle vacuum motor hasn't been working for some time. i replaced the switch in the transfer case about 7 months ago but it seems as though that is part of the problem again so i've already order another dorman brand switch which i'll be swapping out. i've taken the front axle vaccum...
  17. Jeep CJ Forum
    Does any one know what and where the port connected to the distributor is located? I found the diagram above, but I am unsure what the vac advance hooks to.
  18. YJ Wrangler Technical Forum
    We did an exhaust manifold swap this weekend on my '88 YJ and everything went fine except for what I think is a vacuum line that was damaged. The pic is of the part in question although this is not a pic of my jeep. The part outlined in yellow that connects to the rear of the intake manifold...
  19. XJ Cherokee Technical Forum
    I actually drive an MJ, but more people patrol the Cherokee forum. Anyways... Not surprisingly the BA10 in my truck froze up and now will only run in first gear. I'm putting an AX15 in it, which came out of a 93. My truck is an 88. The new transmission has a 231 transfer case with it, which...
  20. XJ Cherokee Technical Forum
    just noticed that the vacuum line that connects to the front diff was dragging on the ground (still connected to the pass side of the diff). Where exactly does the other end tap into? I cant find a vacuum block anywhere/noob. thanks
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