Recent content by Red Top Engine

  1. Red Top Engine

    Replacement engine

    Not true. Unlikely for a block to warp. A good machine shop will know the limits of how far they can mill the heads if they are warped. And if the heads are toast (say cracked or bearing shot), buy another on ebay and get it conditioned it at a machine shop. It is far cheaper than replacing an...
  2. Red Top Engine

    LR4 Restricted performance, rough idle

    I've experienced similar fault with the MAF sensors, having to regularly clean them, progressively got worse and eventually replaced both.
  3. Red Top Engine

    P0301- Cylinder 1 misfire. Restricted Performance. Rough idle under Load. 2012 LR4

    Found the problem: Bad Coil. The cylinder 1 plug did have a little oil on it but it didn't make a difference in engine performance after putting new one in. The moment I replaced the coil pack (on cyl 1), stumbling & hesitation stopped. Swapped around with a spare twice to confirm. These coils I...
  4. Red Top Engine

    Can anyone identify this slow ticking noise?

    Fan Clutch for sure. Mine has been it for 3 years.. still works.
  5. Red Top Engine

    P0301- Cylinder 1 misfire. Restricted Performance. Rough idle under Load. 2012 LR4

    Will swap the coil pack- test- replace all plugs & test and finally replace the injector. Keep you posted!
  6. Red Top Engine

    P0301- Cylinder 1 misfire. Restricted Performance. Rough idle under Load. 2012 LR4

    Trying to get to the bottom of this gremlin: On cold startup, the engine will idle rather rough. Under load, it will hesitate a climb. Check engine light will flash, go into restricted performance mode. On restart, it will operate but still somewhat sluggish. Engine performs better after it was...
  7. Red Top Engine

    Replacement engine

    christine1125: A blown head gasket does not need an engine replacement. The head gaskets along with many other preventative maintenance components can be replaced at a fraction of the cost of replacement engine.
  8. Red Top Engine

    LR4 Restricted performance, rough idle

    Have you obtained any of the codes? Please keep us posted as to what the results of replacing the throttle body are. Mine began to go into restricted performance mode on cold start up, cylinder 1 misfire. The check engine light would blink, then stay steady. I don't get the HDC and e-brake not...
  9. Red Top Engine

    LR4 Restricted performance, rough idle

    Having similar issue, Cylinder # 1 missfire and restricted performance. I'm wondering if yours potentially has anything to do with the battery? These trucks are power hogs and batteries don't last.
  10. Red Top Engine

    SCV6 overheated and then catastrophe

    It doesn't take long to overheat the engine. A leak in the cooling system will allow for air to get into the system, which would turn into steam which your secondary temp sensor will not be able to decipher actual temp. How does air get it? A compromised/leaking head gasket, potentially caused...
  11. Red Top Engine

    Before Top Dead Center

    Yes, you can use the kebab stick, or look through the crank timing port for the enlarged gap as someone slowly rotates the engine. If you use a rod, kebab stick, or whatever on the cylinder... be careful it doesn't get stuck. I had a telescopic rod get stuck using this technique and had to...
  12. Red Top Engine

    Before Top Dead Center

    TDC is attained using two special tools that temporary lock the crank in place. One is locks into the flywheel flex plate, the other into the oil vacuum pump. Both locks can go in only one way. If they don't slide right in, you're not at TDC.
  13. Red Top Engine

    Heated windshields

    So it turns out the issue was the the passenger side connections, just as some of you have pointed out. They were plugged in but not maintaining contact. After unplugging and plugging back in and checking for continuity, it works! Also, the windshield warms up enough to be able to feel it on...
  14. Red Top Engine

    Heated windshields

    Thanks for all the input! I hope to get to it this weekend. Will run a test via multimeter and keep you posted.
  15. Red Top Engine

    Heated windshields

    The windshield is original and in good condition. I removed both A pillar trims and it appears the straps are all plugged in.
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