2003 Yukon SLT flex fuel 5.3L whats brand would you use? cam, oil pump, lifters, timing chain

Discussion in 'Engine & Drivetrain' started by Summajet, Jul 17, 2019.

  1. Summajet

    Summajet Full Access Member

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    I got it primed this evening. I also got the motor lined up with the transmission dowel pins. Took me by myself two hours. Wife lowered lift a little so I could line up the motor mounts/bolts both sides.
    I am happy with the little time I could work on it today. 20191129_195659.jpg 20191129_195707.jpg 20191129_195640.jpg 20191129_195852.jpg
     
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  2. Rocket Man

    Rocket Man Build It Better Supporting Member

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  3. Summajet

    Summajet Full Access Member

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    I had the dampner facing the passenger side. then lowered it down a little at a time. Once it cleared the motor well. Then i turned the dampner facing the front of the truck. Continues lowering until it got just inside the dowel pins. Lowered the transmission a little and then the motor till motor was almost on the mounts. It helps alot by raising the transmission as high as possible when installing/removing the motor. One thing i forgot to do before i lowered the motor down on the mounts was to install the ac compressor. Makes it much easier then lower down. I did watch some youtube videos and comments, stating do not use the transmission mounting bolts to force/close the gap between the motor and transmission as you will damage the pump mounts.
    Trying to pass on what will help others who did this sort of thing...
     
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  4. Summajet

    Summajet Full Access Member

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    I am about 75 percent of being done with reinstallation. I have a couple of questions,
    1. I had to remove the pitman arm from the steering wheel/ steering box. I could not get the driver side exhaust manifold in. If I remember prior to middle of July. I would have to put key in/on position to turn the steering wheel. After I reinstalled the Pittman arm back I can still turn the wheel with no key in it. The upper part of the steering/Pittman arm slid down a good ways. Please tell me I did not screw that up????

    2. I got the intake installed and everything is where it should be. I do not know if this hose goes to the Yukon, my Mazda, or mountaineer. I keep parts bin for various vehicles and now it has me second guessing if I forgot to install this hose.

    Getting a headache trying to figure the questions out above. Here is a picture of the hose in question. Looks like a vacuum hose.

    20191201_173055.jpg 20191201_173101.jpg 20191201_173108.jpg
     
  5. Summajet

    Summajet Full Access Member

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    Update i repeat update......................
    I had been searching for a no spark, no crank for two weeks. I hope this can help someone else.
    I replaced the Camshaft position sensor, oil level sensor, oil pressure sender, and crankshaft position sensor. All the parts are Ac Delco.
    I could not get a spark for anything. Today i went to advance and got a BWD crank sensor. It fired right up. I had forgotten when you replace the crank sensor it states to use the ac delco sensor connector, part # PT1278 i think it was. Anyways. I got it running and got everything buttoned up and it runds good. the check engine light came on which i expected since it has to relearn the crank. I idled it up to 1500rpm for a min. Then let it idle and the ck light went out.

    Hope this experience can help others..
     
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