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  1. H

    PLEASE help me find mounts for my 4.3L k1500

    I am confused by this thread. Did OP actually get those mounts from NAPA to work? I ordered the passenger side one and the holes did not line up properly on my 97 K1500 4.3. I happen to also have a 97 C1500 available to me and it is definitely a different set up for the orientation and...
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    Cross country trip. Reman Goodwrench engine 1k ago. P0300 and other things to go over

    So update. Checked it today and I have P0300 P0155 and P0420. I seem to remember that an 02 sensor was unplugged when I replaced the engine and I plugged it back in. Anyone have any idea if they might be related?
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    Cross country trip. Reman Goodwrench engine 1k ago. P0300 and other things to go over

    I have a 97 K1500. The most insane idea that I have ever had putting an engine in a truck by myself is meeting another crazy idea. Just looking for advice for what I should check before I hit the road. Has a rebuilt tranny. When I did the engine I put in the following new parts in...
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    No crank, no start unless...

    Thanks guys. There was a random ground that had the connector broken off in the harness up by the crank position sensor and it seems to have resolved the problem.
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    No crank, no start unless...

    Anyone else?
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    No crank, no start unless...

    No, like if you touch the metal on the top of the fuse with that test light where the other end is hooked onto a ground, it will turn over if the ignition is on. Fuses all look good. I didn’t touch anything inside of the truck other than what needed to be disconnect it everything worked before...
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    No crank, no start unless...

    So I put a new 4.3 in my 97 K1500. Same engine it came with. When I turn the ignition things power on in the cab for the most part (fan won’t turn on but AC and recirc light up when pressed, wipers don’t work) but have no crank. I took a test light and clipped it to a ground and it will turn...
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    Replaced engine No crank (Battery, starter good)

    That’s weird. I didn’t touch anything inside of the cab.
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    Replaced engine No crank (Battery, starter good)

    Thanks didn’t think of that.
  10. H

    Replaced engine No crank (Battery, starter good)

    Would the main power cable be the positive that goes over the fan shroud and to fuse box? If so I tested that and it’s working. I have a ground from the passenger side frame to the firewall and also from the same spot on the frame to the passenger side head. I don’t really know a ton about...
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    Replaced engine No crank (Battery, starter good)

    At my wits end here. I replaced the engine in my truck and must have missed hooking something back up. Electronics in truck work except for wipers, horn and HVAC. When you turn the key, you hear the fuel pump but nothing from the starter. Positive to starter has power via a test light. Don’t...
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    New Engine install Electrical issues

    Whatever the sound is when you turn the key, but not all of the way to engage the starter. Is there a good resource to get an idea of where all of the grounds are supposed to be? Either I don’t know how to read it or my Haynes manual is lacking on it. I Think I have a ground going from the...
  13. H

    New Engine install Electrical issues

    So I have a 97 K1500 and removed the old engine and put a stock long block in and probably missed something along the way. Trying to get it started for the first time. Have some components that aren’t powering up. Makes the “wurring” sound when you first turn the key, whatever that is. What...
  14. H

    New Engine install Electrical issues

    So I have a 97 K1500 and removed the old engine and put a stock long block in and probably missed something along the way. Trying to get it started for the first time. Have some components that aren’t powering up. Makes the “wurring” sound when you first turn the key, whatever that is. What...
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    4.3 vortec close to towing capacity.

    With oil coolers mine had one on the old radiator. Lines were leaking like a sieve and everything got milkshaked up. Am actually radiator shopping right now as I don't want to take any chances with the old one. Is there a type that would be best for me to look at with what I will be doing in mind?
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    97 K1500 4.3 Vortec motor mounts

    They are sold out with no back order option
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    97 K1500 4.3 Vortec motor mounts

    So, rented a hoist for the weekend and came to find out that the C1500 mount that O'Reilly sold me is not the correct one. Have gone to all of the websites (Advance, Autozone, O'Reilly, Napa) and can not seem to find a match. O'Reilly has a universal one, but the picture looks like a clamshell...
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    4.3 vortec close to towing capacity.

    So I have a 97 K1500 WT with a 4.3. Has a new engine and a newly rebuilt 4L60E. From what I have been able to find out it looks like it had a 5k towing capacity from the factory. My plan is to use it to move 1600 miles away primarily and hopefully after the fact be able to escape up into the...
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    What other new parts should be replaced when installing a a GM Long Block

    So one other thing. Took off the alternator tonight and one of the bolt holes on whatever the mount is that it sits on broke. What's that thing called and would the best idea be to just go to a junkyard to find one?
  20. H

    What other new parts should be replaced when installing a a GM Long Block

    I'll look into those thanks. On my current exhaust manifolds, the studs or whatever it is that it is attached to, it's kind of corroded looking and you can't see much left for threads on them. Is it something where it might be easier to get them loose than I would think?
  21. H

    What other new parts should be replaced when installing a a GM Long Block

    So I am just going the easy route and going back to a 4.3 Vortec in my 97 K1500, as this my first time swaping an engine and I want it to be reliable enough where I can drive it across country. My purpose for it is to be my daily driver for now and eventually to be my mountain truck for picking...
  22. H

    Junk yard shopping list 97 K1500 4.3 Vortec to 5.7 Vortec

    Heading to junk yards tomorrow and this weekend. What do I need? From what I have gathered its Engine mounts Ecu and harness from the same year to get the 2 injector wires Radiator shroud and a bigger radiator (will buy new) .... and what else?
  23. H

    Catostrophic gasket failure after transmission rebuild

    Relax guy, no need to get all offended. Starting to pull **** apart. V8 time
  24. H

    Catostrophic gasket failure after transmission rebuild

    Merely a response to someone with a piss poor attitude. Comparing someone bitching about a fuse 6 months later to a customers truck overheating after they did something with the cooling system right after they leave is rather audacious. You strike me as the type that would probably never admit...
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    Catostrophic gasket failure after transmission rebuild

    Well, the mechanic broke off one of the wires and didn't put the spark plugs back. Neglected to put the airbox back on as well. So I need to get new wires and plugs to even attempt it. If you look down into the throttle body you can see the milky mix of oil and coolant inside of it, so I figure...

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