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  1. Jeep CJ Forum
    Hey Guys! I have a 1975 CJ5 and have been working on getting the jeep to run. It has ran beautifully before in the past but last year started having a few issues and would seize up like it wasn't getting enough air. This past few months I've replaced the solenoid, battery, coil, distributor...
  2. TJ Wrangler Technical Forum
    How it started: took the car to the shop for a metallic sound which I suspected was from a worn out pulley bearing. Turns out it was the connection between the exhaust manifold and the exhaust pipe, the mechanic tightened it. He also loosened up a bit the accessory belt as it was a bit too...
  3. TJ Wrangler Technical Forum
    I have a 2006 Wrangler Unlimited Rubicon. After having this Jeep a little over a year, I have had to replace the transmission, cylinder head, exhaust manifold, and a few other smaller items. It has now developed a high pitch whistle after the exhaust manifold was replaced. I took it back to the...
  4. Jeep CJ Forum
    Looking to upgrade from my manual brakes to power. Looking to add a vacuum reservoir/can as well. Looking at 8" dual diaphragm. Have disc/drum set up now. Note: I have Inline Tube Stainless Steel brake lines, will I need an adapter to go from CJ stock brake lines to the newer power MCylinder...
  5. YJ Wrangler Technical Forum
    hi I'm from Angola - Africa and I have a Jeep Wrangler yj 4.2 with a TBI and Her Distributor that I'm trying to figure out were is the proper vacuum lines connections . my car doesn't have the canister coil and the way is connect when I used to accelerate in high rpm when changing the gear in...
  6. TJ Wrangler Technical Forum
    This is on an 04 TJ with the inline 6, NV3550. For a little while now there has been this strange whistling noise. I can recreate the noise perfectly. It doesn't present itself until about 25 mph in 3rd gear. If I am cruising in 3rd with my foot barely on the throttle going 25 it stays whistling...
  7. XJ Cherokee Technical Forum
    Ok folks I need a little help diagnosing this one. It's a '92 XJ I spent a lot of time last year fixing vacuum leaks all over the place. Finally it started reasonably fast and the climate controls all worked (Previously only had defrost because of the leaks) Fast-Forward a year later: Now all...
  8. ZJ Grand Cherokee Forum
    I have been having a hard time finding a solid answer on this, and its probably one of those issues of everyone has a different opinion. I have been trying to find out why I have bad MPG and I am now at driving habits. I have a '95 ZJ 4.0 5 speed. Putting aside the issues with engine or...
  9. Engines & Drivetrain
    Hello I recently purchased a 1985 Jeep CJ7 that had been modified with a 304 AMC motor - Question is there is a hose hooked to a vac port on the back of the motorcraft 2150 carb that was connected to a port at the back of the manifold. The hose had a pcv valve midtream. The engine ran rough and...
  10. Jeep CJ Forum
    On a recent post I had a lot of good feedback and hoping to hear more. Following JeepHammers post I upgraded the larger distributor and rotor. The Accel 8mm wires were brand new so I kept them on (I can buy the MSDs if required). Installed a new Borg Warner Coil as well. Installed a vacuum...
  11. ZJ Grand Cherokee Forum
    I pulled the airbox on my 95 5.2L zj and found a disconnected vacuum line under it. it is very long and snakes up from under the steering box. there is no obvious port nearby and my jeep runs fine. does anybody have any ideas?
  12. 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...
  13. YJ Wrangler Technical Forum
    Hi guys, I have a 90 jeep yj with the 4.2 engine. I just got my head back from a machine shop and back on the jeep. However, now I can't get it to idle. It will start and runs when I keep giving it gas but as soon as I stop it immediately dies. I believe its a vacuum problem but not sure. My...
  14. XJ Cherokee Technical Forum
    I am having trouble with my newly acquired 1988 Jeep Cherokee. It runs great while any pressure is applied to the gas pedal and often idles well. On occasion, though, once it resumes idling (while slowing down after a long trip) the engine begins to pulsating pretty heavily. So much so, at...
  15. YJ Wrangler Technical Forum
    So I installed the Weber. Everything runs good but I want to get rid of some of these vacuum lines not needed. I have the vacuum diagram. I have all the needed lines connected to the carb (there's no more ports). Now what I need to know is, of the lines not connected to anything, which can I...
  16. TJ Wrangler Technical Forum
    when I first bought my TJ, the cruise worked just fine. light on dash, all functions...nothing missing. brought my Jeep to a shop to have them check out the HVAC and a few other things. I'm thinking that they tried to fix any small leaks in the vacuum. seems as though they removed the line that...
  17. XJ Cherokee Technical Forum
    Need help, just got a 1989 cherokee and it's acting like it has a locker on the front end, when I make a turn my front wheel "hops" like I have it in 4x4 but it's in 2 hi, if anyone can tell me where the shift motor for the transfer case is located and what it looks like that'd help. Most of the...
  18. MJ Comanche Technical Forum
    Please help! My 89 MJ only will run if the vacuum tube is unplugged from the MAP sensor or if I constantly tap the gas pedal. Either way there is not enough power to drive. With vacuum tube plugged in if I press and hold the gas it just dies immediately. I have replaced plugs, fuel filter, TPS...
  19. YJ Wrangler Technical Forum
    I don't know if any of this is related to any of the other but here goes ('90 YJ Auto): I recently swapped my oil pan with a new one (new one-piece gasket & plenty of oil resistant sealant) in a futile attempt to eliminate a few leaks (also tightened valve cover bolts - which were somewhat...
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