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  1. #1
    Jr. Apprentice
    Join Date
    Mar 2013
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    Huntsville, alabama
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    18

    Default A couple of issues ~ 1996 Z71

    Just so I know what I am getting into, I have a few questions about doing some things to my 96 Z71.

    1. The previous owner of the truck disconnected the oil cooler from the radiator. He says that it leak really badly at the connection so he pulled it and plugged the hole. I am still getting some leaking from the "plugged" hose. Should I research getting it all connected back up with new lines or just try to plug the hoses better?

    2. How hard is it to replace the exterior door handles? My passenger side is broken.

    3. Is there anyway to set the distributor cap correctly without a scan tool? or get it close? From the looks of it, its a good ways off right now(CEL is one and the code is for cam and crank interference......or something like that) and it idles rough but clears up once you get on the gas.


    I know those are some what open-ended questions, but I believe most C/K owners have some idea of what I am up against here. Thanks for any advice you may give.

  2. #2

    Default

    I would hook up the oil cooler or buy an aftermarket cooler and hook it up. The exterior handles are not that hard to replace. You just need to pull the interior door panel. As far as the timing goes, I am going to leave that question for someone else. I think I know the answer, but I am not positive and I do not want to steer you in the wrong direction. Maybe, @j cat can help on that one, he seems to know his way around these trucks.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3
    Jr. Apprentice
    Join Date
    Mar 2013
    Location
    Huntsville, alabama
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    18

    Default

    Coolant temp sensor took a dump today. Gauge read ice cold all day. Cheap fix though.

  4. #4
    Legend

    Join Date
    Sep 2010
    Location
    everett, massachusetts
    Posts
    1,486

    Default

    Quote Originally Posted by highspeed View Post
    Just so I know what I am getting into, I have a few questions about doing some things to my 96 Z71.

    1. The previous owner of the truck disconnected the oil cooler from the radiator. He says that it leak really badly at the connection so he pulled it and plugged the hole. I am still getting some leaking from the "plugged" hose. Should I research getting it all connected back up with new lines or just try to plug the hoses better?

    2. How hard is it to replace the exterior door handles? My passenger side is broken.

    3. Is there anyway to set the distributor cap correctly without a scan tool? or get it close? From the looks of it, its a good ways off right now(CEL is one and the code is for cam and crank interference......or something like that) and it idles rough but clears up once you get on the gas.


    I know those are some what open-ended questions, but I believe most C/K owners have some idea of what I am up against here. Thanks for any advice you may give.
    I would connect the oil cooler hoses together so that you continue the flow. you can get some compression connectors to do this easy. I would only use a radiator oil cooler for the engine unless you live in the AZ desert where it does not get too cold.

    your timing code could be the distributor gear/bearing . if you have over 170,ooo this would be my guess .

  5. #5
    Jr. Apprentice
    Join Date
    Mar 2013
    Location
    Huntsville, alabama
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    18

    Default

    I got confirmation that the previous owner tried setting the timing the realized he couldn't because of the vortec motor. I need to find a scanner that will read the cam sensor.

  6. #6
    Jr. Apprentice
    Join Date
    Mar 2013
    Location
    Huntsville, alabama
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    Default

    So none around me has the scan tool that will read cam angle. I would rather not spend $$$$$ on the stealership to set it up. Does anyone know another way to do it.

    I also have a vibration under load. Feels like the U-joints in the driveshaft and possibly the trans mount.

    One more thing, I was going fishing the other day and found out real quickly that the 4wd doesnt work. So after some tinkering in the mud next to the lake I was fishing, I found that the 4wd fuse was blown. I didn't have any fuses so I used a piece of wire to bridge the fuse link...........and now the 4wd works again. Any reason for a fuse to blow in the 4wd?

  7. #7
    Jr. Apprentice
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    Mar 2013
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    Huntsville, alabama
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    Default

    Found this site that walks you thru the dizzy setup so that the CAM angle will be close. I haven't done mine yet but will most likely do so tomorrow.

    Setting up a vortec distributor

    http://www.gmtruckcentral.com/articles/distributor.html

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