lifter tick

  1. I

    That lifter knock issue

    I’m experiencing that typical top end lifter noise. Jeep has 200,000 miles on it. The noise goes away when engine starts to get up to temperature. So if I just replace push rods and rocker arms assuming they are worn allowing too much clearance is that likely to solve the startup lifter...
  2. F

    Engine Sounds - opinions

    Just purchased this 02 4.0 auto as a project I plan to keep for a long time - relatively new to jeeps and my own maintenance so pardon my frequent questions. I am getting to know the jeep and I’ve noticed a ticking tapping noise on startup that seems to be similar to what others describe as...
  3. Winks42

    Intermittent Engine noise under load

    Hey guys, I’ve been trying to chase this noise my engine makes ever since I bought the jeep. The noise is a tick/rattle that comes from the engine whenever I lug the engine a little (1600-1900 rpms) or I start from a stop on an incline. Basically whenever the engine is under stress but this...
  4. NYC-TJU

    Lifter Tick or Exhaust Leak?

    Hi all, So I've been searching the forums for an idea but haven't seem to have found my scenario yet which is as follows: (1999, 4.0, 225K+ miles) When i start the jeep when cold, until it gets to temp there's a tick that seems to be relative to RPMs. So, constant tick-tick-tick speed while...
  5. C

    OPDA or lifter tick?

    So a while ago I was having the random misfires and then a p0016 code and found out 05-06’s had opda problems. I replaced the opda with a crown unit and all had been good but I’ve been hearing the ticking noise mostly at idle and then when the engine warms up, it goes away. When I was trying to...