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  1. jamie2

    2001 Yukon XL SLT 2WD Porpoising Like a Boat

    Will be replacing the jounce stops.
  2. jamie2

    2001 Yukon XL SLT 2WD Porpoising Like a Boat

    Original GM shocks and OEM tire size. Have not touched the back yet.
  3. jamie2

    2001 Yukon XL SLT 2WD Porpoising Like a Boat

    Hello, Looking to see if I can get some help. 2001 Yukon XL SLT 2WD is porpoising when I go over dips in the road, thing is like a boat on the water at higher speeds. The thing is it's only happening on the passenger side, the fist thing I replaced was the shocks but that didn't help. I have...
  4. jamie2

    Rear Main Leak. Thicker Oil?

    Yes, but I am going to double check again in a few days. Jamie
  5. jamie2

    Rear Main Leak. Thicker Oil?

    I have changes the oil several times not an oil filter issue. I might be new to this forum but I'm not new to working on cars. This is what happens, see below. One the back of the block below the crack is a casting lip, the oil runs out of the rear main down to that casting. At this point it...
  6. jamie2

    Rear Main Leak. Thicker Oil?

    GM dealer confirmed its the rear main. It is common according to several shops I have talked to about the issue. I know the leak needs to be fixed but the price id in the range of 500 to 800 bucks (1200 if GM does it) to fix the problem. That's why I'm asking about thicker oil. I have had this...
  7. jamie2

    Rear Main Leak. Thicker Oil?

    I have a rear main leak on my 2001 Yukon XL in its starting to get worse, looking at going to a thicker oil to try and slow down the leak. I live in Central TX so temps are warm most of the time to say the least. 5W30 is just too thin any ideas on what oil might work best? Jamie
  8. jamie2

    2001 Yukon XL Dies. Fuel issue?

    Looks like it was the crank sensor.
  9. jamie2

    2001 Yukon XL Dies. Fuel issue?

    Yes, I changed the battery when this issue started.
  10. jamie2

    2001 Yukon XL Dies. Fuel issue?

    Well, I have changed the fuel pump and the truck ran fine for a couple of days. On Saturday it started again, it only happens when the truck is cold from sitting or night or a long period of time. Any ideas? Jamie
  11. jamie2

    2001 Yukon XL Dies. Fuel issue?

    Have already cleaned the throttle body but it was no help, going to check the fuel pressure tonight. Should the pressure be the same with the engine on or off?
  12. jamie2

    2001 Yukon XL Dies. Fuel issue?

    I have a 2001 XL that has statred to die for no reason, the first time it done this was at a redlight. Truck turned off after the idle got real low, kind of like it was starving for fuel. Now it has started to get worse, this is my wifes ride so she has the kids with her during the day so say...

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