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  1. T

    4l60e servo apply pin bore

    This is a 2008 transmission that slowly ran out of fluid due to a small leak in the cooler line. Filled it back up and it ran for a little while, but began to slip. 3rd gear eventually went and 2nd gear started to slip so the owner just removed the transmission and replaced it with another one...
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    AC help

    If you pulled a vacuum in the first place before jumping the compressor and charging it, you would have found the seal leaks that you probably still have, been able to fix them for a fraction of the price, and you probably would have been ok. Your compressor failed because there is air in the...
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    A/c rebuild

    Here is some pretty good info on the recharging process. http://www.aircondition.com/tech/questions/95/Basic-Charging-Procedures
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    Air Conditioning Over Charged?

    Make sure the accumulator is changed too. When ever the system is opened up, the desiccant quickly becomes saturated with atmospheric water (condensation). The shop sounds to be pretty good, but they may say the accumulator is ok. BUT they are cheap enough to just replace for good insurance...
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    Air Conditioning Over Charged?

    The only way to accurately determine the amount of 134 in the system is to extract it and weight it. Any 'good' ac shop can do this for you for a reasonable price. There is a chance that the 134 has to be (kinda) broken in. Start the system and let it run for a minute. Then 'gently' spray...
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    Freshly Rebuilt 350-Crankcase full of coolant

    And?
  7. T

    Freshly Rebuilt 350-Crankcase full of coolant

    Clamping force/torque/size and the has nothing to do with what I said. A combustion chamber in a stock 350 produces 42k psi + at ignition. It is this force that the head bolts must hold. In the chevy 350 there are arguably 5 bolts to hold this pressure around the cylinder. The respective bolts...
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    Freshly Rebuilt 350-Crankcase full of coolant

    Yep, that's correct, but the stock head bolts used in a stock vortec usually are, cus they were designed to be torque to yield (tty).
  9. T

    Freshly Rebuilt 350-Crankcase full of coolant

    Wheel studs do not hold 42000+PSI and are designed to not torque to yield. LOL. I doubt you understand that...lol
  10. T

    Transmission Fluid Question (With Pictures)

    Auto Tranny fluid should NEVER get worn out or dirty. If it does then there is other problems. It is not exposed to what other fluids are exposed to - except heat. Heat is the killer of most trannys and it's fluid. Tranny fluid is red because of a dye added to the fluid. It is designed to turn...
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    Transmission Depot, good?no?

    Why not try to rebuild it yourself? The 4l60e isn't really that hard. It's easier to do than the older ones (700r4, thm350 or 400) Get one from the junkyard, watch a video on you tube, and try it yourself. These are electronic trannys, and if you take your time and be clean, they are really not...
  12. T

    Best gasket maker for the china wall?

    This is the best silicone sealant on the planet. It works like no other one on the market. It is expensive, but IMO it is worth it. It does skin over quickly, and that is good cus there is not much waiting to install. You should wait a day for it to completely set up before use. I rebuilt a...
  13. T

    Need some help guys..

    Check the wire and connector to your knock sensor. Make sure it isn't rubbing on anything. It's on the lower right side of the block. When it is running, give the block a few very very very very light tap with a hammer in the area of the knock sensor. The engine should skip, mis-fire, or shut...
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    Freshly Rebuilt 350-Crankcase full of coolant

    If ya reused them, hope ya put the sealant on them. I am curious if you fixed this...
  15. T

    Freshly Rebuilt 350-Crankcase full of coolant

    Also, unless you asked the machine shop to test for a cracked block, they probably didn't. You usually cannot see the crack with a naked eye. This test should be itemized on the receipt of the bill from the machine shop. It's the magnaflux test. If that wasn't done - you many be wasting your...
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    Freshly Rebuilt 350-Crankcase full of coolant

    Hope I'm not too late. Once you torque these head bolts they reach their limit. Some say you can reuse them, BUT I WOULD NOT. Even though they are not tty bolts, they get weaker after torquing. You should install NEW head bolts EVERY time you loosen and/or remove them. IF you reused the same...
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    Remanufactured Jasper NP241 or let local shop rebuild?

    The grinding noise is probably caused by failed bushings inside. They fail because of other drive line issues, OR a stretched drive chain. Being that you are getting rid of it, I would find a junkyard unit and have it installed by the mechanic. Spending $2000+ on a tcase is for a person who...
  18. T

    Torque converter not locking up

    Sounds like the 1-2 or 3-4 shift solenoids need to be replaced. Kinda common problem, and easy fix... While you are in there it is also easy to remove the PWM operation if you want to. Eventually, the PWM valve will stick...A mild shift kit will do the trick....
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    Need help interpreting fuel pressure test

    Not sure if the jumper in the relay is the correct pins - I will check later on mine...BUT that will run the pump -- as will east302's suggestion.... Nothing on the upper intake that you removed will cause the pump not to run... Test for voltage, don't just assume there isn't 12 volts getting to...
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    Need help interpreting fuel pressure test

    The valve seals are shot - the plugs are seriously oil fouled and worn out - change the plugs, and I would change the valve seals. Compression numbers are good, so rings are good. It is very unlikely that it is the fuel pressure regulator, because it has the updated version spider assembly...
  21. T

    4l80e not shifting properly

    It is probably the 1-2 and 3-4 shift solenoids. Mine had the exact same problem. I changed those 2 solenoids and it runs as it should. However, in order to change those solenoids I had to remove the valve body - because of the way the retaining clip was installed.... Pretty sure the 98 and 96...
  22. T

    Broken LCA?

    I may be able to help - I got a 96 sitting in my yard. I'm from Scranton - If you are around, you can come and take em....
  23. T

    Vortec 454 Revs up high then dies HELP!!

    #1, the computer is panicing because it sees strange values it's not used to - because you changed all those sensors. Put the old sensors back in - or you must have the computer re-flashed. #2, I hope you know that "pressing the gas" doesn't physically add fuel or fuel pressure. It adds air...
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    Hunting for the misfire gremlin!

    It's your ignition control module. They can/do crack inside. Or a failed spark plug wire can mess up the solid state electronics inside the module by zapping the module with high voltage. Only replace with Ac Delco. I had this exact same problem - replaced with an Autozone module and it...
  25. T

    Look at my oil leak.

    Can't do a straight filter set up on a IFS unless you move the location of filter with a filter relocation kit. You can cut those crimps off and use simple hose clamps to attatch hose to oil pipe...

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