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Type: Posts; User: mwa3c

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  1. :-/ ... Runs fine then randomly gets loud and...

    :-/ ...

    Runs fine then randomly gets loud and revs slow..

    Couple of questions:
    When was the last tune-up done on the truck.
    Miles on current plugs / wires / cap / rotor.


    Maybe a Cat is...
  2. Any Check engine lights?

    Any Check engine lights?
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    I don't think I understand what point you two are...

    I don't think I understand what point you two are trying to make here. The originial post had a 1990 Suburban and mine is similar. In addition, the engine in both trucks essentially are the same...
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    Beg to differ. 5.7L is firmly planted under the...

    Beg to differ. 5.7L is firmly planted under the hood of my extended body 1500 4x4. Maybe AFTER 1999 they went to a 5.3L?

    There is a HUGE difference in my Spider injected Throtle body driven 5.7L...
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    Hi 90Burban! I have a 1999 GMC 1500 with a...

    Hi 90Burban!
    I have a 1999 GMC 1500 with a 350. I put Mobile1 synthetic in my engine after i bought it and exibited the SAME results you are seeing on your truck.

    After reading around,...
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    go back to some 17" wheels and some BFGoodrich...

    go back to some 17" wheels and some BFGoodrich A/T tires
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    Copied from another forum... 1. "ecm power...

    Copied from another forum...
    1. "ecm power wires on passenger side of engine ground out to the exhaust, pull awasy, and check for damage, my 97 kept popping fuses, and this fixed it"
    2. "The...
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    Good day dfhollums, I recently rebuilt all...

    Good day dfhollums,
    I recently rebuilt all the linkages on y 1999 4x4 k1500. I went to RockAuto and bought everything (minus the steringbox) for right at $300. It took me about 3 hours to build...
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    Googled it and found a drawing / lots of posts of...

    Googled it and found a drawing / lots of posts of this unit leaking! Here is a good link to look at though CLICK HERE
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    I have only rebuilt / hand built VW engines and a...

    I have only rebuilt / hand built VW engines and a 302 in my old 1986 Camaro. But, what this sounds like to me is they don't have the cam and the crank lined up correctly, causing the valves to open...
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    The key could be damaged or worn to the point...

    The key could be damaged or worn to the point that it is allowing the bar to move inside. You might want to remove the torsion bar and inspect the key and the bar end to make sure it is not worn and...
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    Pull out the fan motor. Sometimes Mice build...

    Pull out the fan motor. Sometimes Mice build nests in the fan motor then they just poof, die. The rot smell can be fun..

    I'd pull the fan motor and clean out what ever junk is in there. once it...
  13. Thread: Idler Arm

    by mwa3c
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    1,239

    Fyi, I replaced ALL the linkages under the front...

    Fyi, I replaced ALL the linkages under the front of my K1500 Burban about 3 weeks ago. I punded on that same joint for about 2 hours and it finally broke. I went to a 10lb sledge, a piece of wood to...
  14. The first thing that comes to mind is that PB...

    The first thing that comes to mind is that PB Blaster is corrosive as well as lubricative (if that is a word haha)

    Google made me smart on this one.. From PB Blaster's website:...
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    Very good information. Did not even know this...

    Very good information. Did not even know this truck would have "speed sensitive steering"..

    So, I just got under the truck and did some looking around. Found a connector on the back of the Power...
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    That is pretty much EXACTLY what i am chasing...

    That is pretty much EXACTLY what i am chasing around.. Now, i just have to figure out if i have this type of steering system.. Wonder.. if i could just disconnect the sensor...
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    Now, THAT sounds exactly like what i am having...

    Now, THAT sounds exactly like what i am having issues with. I will have to see if i have speed sensative steering and locate the sensor..
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    I notice the binding when driving. Most of the...

    I notice the binding when driving. Most of the time it occurrs while entering / exiting the innerstate, or while going around mountain roads.. It is like there has to be additional load on the...
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    Thanks for the reply! My K1500 is push-button....

    Thanks for the reply!

    My K1500 is push-button. The truck has a new transfer case, and new 4x4 selector switch. It is shifting out and in 4x4 fine at this time. (I can definately tell a difference...
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    Steering has a "binding" feeling

    Good day GMC forum folks!

    Well, making my 1999 Suburban k1500 a comfortable ride again..

    I had loads of play in the steering and decided to replace everything but the steering box. Before...
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    Couple things. You could have an accessory light...

    Couple things. You could have an accessory light that is staying on, or an alternator that is not charging properly.

    Start the truck and drop a volt meter on the Battery leads. Should...
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    New Member!! Skid Plate - Need one!

    Hello GMTC Forum folks!

    Yes, I am new and PROUD OF IT ha!

    Ok.. So, I have this "New to me" fully stock 1999 GMC Suburban SLT k1500 w/ a peppy 350.. Picked up recently with less than 90,000...
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