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  1. R

    Desperately Need Help

    The parts you need to fix the front end are a dime a dozen on craigslist or Facebook marketplace, these are always being parted out. Your major expense that will dwarf the cost of what you damaged in the collision will be the transmission you destroyed by going further than the shoulder of the...
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    Torsion Key Leveling Kits - Are They a Scam?

    The more bolt you have driven above the key the more likely the bolt will bend and/or break under a load, keys indexed for lift enable the extension of the bolt to remain well within the factory parameters; so no they are not a scam.
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    Bucking

    I had similar symptoms once when my 02 sensor was sending a signal to the ecm that the fuel mixture was too lean, the signal was within range so no check engine light but power was poor and the bucking at lower RPM's was prominent. I disconnected the 02 sensor and everything smoothed right out...
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    Transmission

    I use an old transmission line with a hose slipped over the end to get it below the bumper. The upper transmission line on the radiator is the line that returns the oil to the transmission, I just pop off that return line and pop in my line with the hose and stick a bucket under the hose. Then...
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    Cracked Oil Pan - What are the implications?

    If you are not dripping on the floor ignore this, pans don't "fall apart" all at once and most cars have a light oil film around the pan that is visible at oil change time. If it really is cracked it is not all the way through or there would be an oil mess, I would bet they are seeing hairline...
  6. R

    2003 tahoe

    Sounds like a power steering pump if the noise changes with rpm, a failing transmission pump can do this as well but there are usually other symptoms that go along with the whining. You have checked the power steering fluid level and the transmission fluid level I assume?
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    Broken exhaust manifold bolt, in head

    If the bolt is broken flush with the manifold you can remove the manifold and grab it with vise grips, they always break flush with the head on my stuff so a left hand bit with an easy out is my only option; if that is your case then you might have to raise the motor up a bit to get good enough...
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    A/C control module....

    If the A/C always blows cold out of some vents but not others you have a blend door sticking, the actuators are not the only thing that cause blend doors to move insufficiently; it could be something fell down into the diverter box (like a pen from the dash) that prevents full travel of the...
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    Spark Plug Gap Issue

    What causes engine wear is unburned fuel after the power stroke, that creates carbon deposits which rob the spark needed for the next power stroke and contaminate the oil and cylinder walls with abrasive deposits that kill the rings. Old engines had a fraction of the spark that modern coil...
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    Electrical Gremlin?

    My wife called me today from a parking lot where our 2004 Tahoe was not starting, the starter cranked well but it would not fire up. I asked if she had gas, she looked at the gauge and said IT'S EMPTY! But she was certain it had 1/2 of tank when she parked it. I said to get a gallon of gas in...
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    Catalytic Converter - Going Bad?

    A plugged Cat will cause a power loss, it will not create the rotten egg smell. It sounds like you have one or both of your upstream 02 sensors reporting a false lean condition, I would say a possible injector but you would feel a miss if an injector was leaking into a cylinder when it should...
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    I need some no crank no start help,please!

    It sounds like your neutral safety switch is bad or out of adjustment, if the switch thinks you are not in park or neutral it will not let the power go through to the solenoid wire on the starter; causing your exact symptom.
  13. R

    at home engine replacement

    If you go with a crate motor that matches your vehicle this is not a very difficult task, you just pull the old motor and pressure wash it; then set it down next to the new crate motor and swap over all the stuff that is not included on the new engine. You can buy an adequate cherry picker from...
  14. R

    2006 GMC Yukon Slt front air vents not blowing on any setting. Please Help

    Is the motor making any noise like it's spinning or is there no sound when you turn the fan on?
  15. R

    Where to start? 97 Yukon noob

    An LS motor will mount to most Chevy transmissions so your 4x4 running gear can remain intact. The issue is basically the physical fitment of the engine, everyone deals with the same few hurdles; Oil pan clearance Exhaust clearance Steering clearance Accessory drive clearance For some of...
  16. R

    What are these?

    I believe one is for the engine compartment temp and the other is for the outside air temp
  17. R

    Crankshaft Position Sensor Keeps Going Bad Causing Stalling?

    If it was a failure of the crankshaft position sensor it would have a code stored revealing that, if it does not have a code stored I would start by checking your key cylinder and housing for signs of slop/wear and also your fuel pressure. You would not be the first to have a new fuel pump die...
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    2004 Tahoe rough start up

    I am unsure if you are saying it cranks harder in the morning or it cranks fine but struggles starting. If it cranks hard only on cold mornings your battery is showing early signs of failure. If it cranks good but won't start very well try turning your key to "on" but not cranking the starter...
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    11 Burb 4x4 Transmission fluid change

    I use and old tranny line bent to hang down below the radiator, start the engine and run till it sputters; then drop the now empty pan and replace the filter and sleeve. Then I pour in five quarts and start it again with my purge line still connected, I pour in new fluid as the system is...
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    Drivetrain locked up in truck! & Transmission interchange question??

    Do you have the manual lever or the push button control on the Transfer Case? Sometimes the Transfer Case can get caught between gears and lock up the shafts, with the manual lever you can just knock it forward and back to free it but you have to crawl under with the push button models.
  21. R

    Airbag light on + 3 corroded wires under carpet

    The 41 code can be the seat but anywhere on the drivers side of the system that has a failed component will cause the open loop code (B0041), since the B0026 code is specific to the column bag/clock spring I would address that first and see if the 41 code goes inactive when you do.
  22. R

    PCM Ground Circuits and Locations Wanted

    Thanks for the link, I just ordered one of those manuals myself :) I also have had the knock-off Tech-2 for a couple years, it works very well
  23. R

    Airbag light on + 3 corroded wires under carpet

    Those are not airbag wires and yes it looks like the wrong diagram on the cover. B0026 & B0041 are likely a bad clock spring in the steering column, B0026 is usually a clock spring or bad airbag and when that occurs it creates the "Open Loop" which is the B0041. The B2973 is something in the...
  24. R

    Moisture out the tailpipe, sign of cracked head?

    I don't see an issue with the tailpipe water, that is pretty normal; but the noticeable power loss is not normal. 250k or 50k a Vortec/LS engine will pull about the same, if they lose power without an obvious hardware failure like rod knock, dropped valve or massive smoking out the pipe then I...
  25. R

    Engine noise - like a pressure cooker - some coolant loss

    Pull your dipstick and see if the coolant is going into the block, you may have blown a head gasket when you lost the water pump.

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