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    engine cranks, won't start.

    Do a pin to pin continuity check of entire circuit b4 replacing ECM. ECM's hardly ever fail. Much more likely to have a bad splice, or dirty corroded connector in the circuit somewhere. If you hook a meter up and don't see anything wrong, you need to move the harness around to find an...
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    Is my '96 Z71 (4x4) really 4 wheel drive?

    ARB selectable locker would be the way to go in the front, but locker and front IFS bad combo. Parts will break faster than your checking account will fill back up. But you are in luck because no selectable locker exists for GM/AAM IFS 8.25". 9.25" GM/AAM IFS yes, but not 8.25"
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    Electrical - Anyone make sense of this..? where you at Skylark

    Bad diode in alternator can cause poor charging of the battery as well as drain while sitting.
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    np241 leak

    It theoretically could be replaced from the outside, but it would be a challenge. I just replaced that o-ring on a 241 I rebuilt. There is a plastic retainer ring that comes out first, then the o-ring. The plastic retainer ring was a tight fit and a challenge to re-install.
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    Is my '96 Z71 (4x4) really 4 wheel drive?

    You can cheat a little to get more traction out of an open diff by lightly applying the brake while you attempt to drive through a low traction scenario. It helps bias the power to both tires and delays the one wheel peal. Might get you out of, or further into trouble
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    Post your other projects

    My other project is a 1978 Jeep CJ5 that I stretched to CJ6 specs. I'm installing a GM LS 6.0 liter LQ9, rebuilt 4L80E and rebuilt pass drop NP241C with SYE. It has a 31 spline Ford 9" rear axle, Chev HD44 front axle, detroit lockers front/rear, disc brakes all 4 corners, double triangulated 4...
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    a/c problem

    By the way, OP, you were supposed to use PAG 150 oil, not PAG 46. Big difference in viscosity. They probably saved your bacon by shipping the compressor filled with the correct oil.
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    a/c problem

    True, he should put his hands on the lines coming out of the evaporator. Both should be very cold and should be sweating within a few minutes of run time. The accumulator should sweat and the suction line all the way to the pump should be cold and sweating. Given the fact he's replaced 90% of...
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    a/c problem

    Another good vid. Click the link in the center to go directly to youtube. The actuator he's showing up in the right fwd corner is the re-circ actuator and that actuator could definitely be your problem.
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    a/c problem

    Decent video about the 3 different actuators. Mode, hot/cold and re-circulation actuators.
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    a/c problem

    exactly why I asked about the blend door. Doesn't matter how perfect everything is if you don't actually blow all the air through the evaporator.
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    a/c problem

    Maybe the blend door is not working correctly, ie. air is not being totally directed through evaporator.
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    Muffler of Choice?

    I have a Dynomax turbo muffler on my truck and I love it. No drone. Just a tiny bit louder than stock and that's how I like it. Reminds me I do have a V8 under the hood when I stomp the gas peddle.
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    LQ9 1988 k1500 questions

    All LQ9's came with either 4L60E or 4L65E stock for a little perspective on things. HP robbing 4L80E came in things like 3/4 and 1 ton trucks with high tow ratings. If a person is planning a lot of heavy towing then the 4L80E is the clear winner. I personally installed a 4L80E in my Jeep rock...
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    Safe to Heli-coil AC bracket to cylinder head?

    You will not be able to drill the hole with broken easy out. I am very cautious using easy outs to extract broken bolts for that reason. Most of the time I've found easy outs not able to extract and I skip that method all together. I usually weld a flat washer to the busted off bolt, then a...
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    Oil consumption with no blue exhaust ?

    Piston slap does not happen for a few seconds at start up and then go silent, as you previously described. Piston slap is a sound like a diesel engine makes idling, a chattering and it gradually lessens as the engine warms up to full temp, pistons fit the bores better. What you are hearing is...
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    The Stupid Engine Questions Thread

    The only 1995 model vehicle those will fit is the Ford Taurus with 3.0 liter V6 engine. Those plugs will fit the Vortec version of the 5.7 liter small block chevy. Not the 305 though. If your truck was just one year newer and had a 5.7 liter you'd be good to go.
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    Travel trailer

    I regularly pull a bumper pull travel trailer with my heavy 1/2 ton 1992 ECSB with 5.7 liter and 4L60. 3.73 gears. My TT is around 4K loaded with fresh water tank full and all our gear aboard. It's 17ft long, 21ft counting the tongue. I do just fine in 3rd gear, on the flats. Pulling a...
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    LQ9 4x4 1988 RCLB questions

    While I agree with this generalized statement, especially if we are talking about someone who is inexperienced, but there are ways to minimize the bleeding that can occur when one embarks upon the LS swap path. OP asked what transmission he should use to fit to his LQ9 that would work the best...
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    Oil consumption with no blue exhaust ?

    The torque values you used were 100% correct. Were the bolts you used to install the intake oem original, or something purchased in the local hardware store? Reason I ask is because if they are not originals, perhaps they are just a tiny bit to long and are shanking out prior to full clamp up...
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    Weird AC problem

    White is for R12. Black is for R134A. They are not interchangeable.
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    LQ9 4x4 1988 RCLB questions

    4L80E is longer (wider too), so that means new drive-lines or existing ones reworked to fit. Also have to slide the trans/tcase xmember back and remount it. Also means purchasing a new trans to tcase adapter, which can be somewhat pricey and difficult to find. Also would have to swap the 27...
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    Weird AC problem

    The cheaper versions of the switch mentioned are partly to blame for evaporator freeze over. They don't cycle the compressor at the proper pressures, due to not being made to proper specs. Spend coin on one from the dealer and if the system has the right amount of refrigerant in it the freeze...
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    LQ9 4x4 1988 RCLB questions

    Your best option for transmission is to acquire a very cheap used 4L60E and have it fully rebuilt with all the upgrades to make it a 4L70E. That will handle the power of a stock LQ9 and it will bolt up to your factory trans to t-case adapter just like stock. That will also allow you to let the...
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    Oil consumption with no blue exhaust ?

    You don't get a puff of smoke on startup, so that eliminates the valve seals/guides. Also since you don't get fogged out by blue smoke when the engine and catalytic converter is cold, it's not the piston rings. I suspect what's going on here is all is fine till the engine gets up to temp...
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