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  1. C

    Heated seat diagnosis

    Only guidance I can provide is that both heaters are controlled by the driver seat module so it's causing something with the driver seat module or the power to that module...
  2. C

    A leak on the parking brake passenger side

    I've watched every one of them since the first... lots of good info in them. Just rewatched to be sure I'm not missing something, from what I saw he didn't quantify in any way how much fluild gets out through the bearings. Maybe the F150 he's testing on has a separate "splash channel" for fluid...
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    A leak on the parking brake passenger side

    So by your own admission turning in circles isn't needed? If just driving pumps that much fluid then by the time you get it out of your garage it's already filled the tubes up... so save the time wasted doing circles. FWIW, I'm not agreeing with you, I don't know the circumstances of the axle...
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    Shock for 02 yukon?

    That is the price of the aftermarket, the Nivomat that are OEM are over $300.
  5. C

    A leak on the parking brake passenger side

    I'm mostly in agreement with you but only 1 contention. Yes, the ring gear "pumps" the oil and you definitely want a std curved cover bc that is a critical component to the pumping action. The part I disagree with is your proposed means of getting oil to the ends. I realize the bearings aren't...
  6. C

    Rubber Isolator Fell Out On The Driveway

    Is it maybe a body mount?
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    Shock for 02 yukon?

    The nivomat shocks are a self leveling shock that has an internal spring component to it. Bc of this, vehicles with nivomat shocks have weaker than normal (special) coil springs. If you remove the nivomat shocks you must also replace the special coil spring with a standard coil spring. If you...
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    A leak on the parking brake passenger side

    Only a couple things to add: Don't grease the bearings, after installing bearings (if you do new bearings) squirt some gear lube in the bearings and the space behind them just prior to putting the axles back. I'm not convinced sharp turns will splash lube out to the end of the axles. The...
  9. C

    Need recommendation on Transmission Shop

    Cool!!! Interesting note, my in-laws live within 15 minutes of the place... not sure if they do FTF sales of parts but if I ever need something non-urgent I have that convenience... I hope to NEVER have to do my 4T65E again. Rebuilt at 240k miles and I hope it lasts to 350k which is the point...
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    Rear differential rebuild difficulty

    This is a good course of action. It will get you back in business sooner, with little risk of "schedule slips" for unforeseen parts needs or hang-ups, and removing the axle and pressure-washing is the best way to get it truly cleaned of metal fragments. This is the link to my rebuild AAR...
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    Need recommendation on Transmission Shop

    I've bought parts from Triple Edge before (for a 4T65E rebuild) and they're good folks... lots of helpful info on their site and they answer the phone and answer stupid questions from retards like me... haha Are you saying their rebuilt transmission are top-notch? I've only bought parts from...
  12. C

    Rear differential rebuild difficulty

    Having just gone through a rebuild, IMHO $300 sounds cheap. Just keep in mind, that junkyard axle could go at any time too. I did all new bearings, axles, seals, and differential (aftermarket), and it cost me ~$800 I think. At least now I know it's all brand new (except the ring & pinion which...
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    Tip: Removing the starter

    If you think you have a bad starter, don't forget to check cables... I once had a "bad starter". Checked the nuts holding the cable & wire to the starter but didn't check the actual cables. Turns out, it was a cable corroded inside a terminal. Didn't find that out until I put the new starter on...
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    Yukon XL towing capacity: 3.73 vs 4.10

    First off, never exceed max pressure of the tire (it will be listed on the sidewall of the tire). The P265/70R17 tires on mine have a max of 44 psi. most LT tires have a max of 80 or there-abouts. The actual inflation number depends on what you're doing. Is this a family vehicle that has no...
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    Remove Codes : Installed 2001 4WD body on 2002 2WD frame/drivetrain...

    You're making the assumption that GM puts a different wiring harness in 2WD vehicles. Do they? From an engineering & production perspection, it's normally most economical to have the same main harness in all variants. Then, for certain things like the addition of a trailer hitch, or transfer...
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    Shock for 02 yukon?

    Sounds like it came with Nivomats and you replaced them with Rancho's and now you want to replace them again? Did you also do the coil springs conversion when you converted away from the Nivomat suspension? That's a critical step when abandoning the Nivomat shocks. If you've done that, then...
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    Yukon XL towing capacity: 3.73 vs 4.10

    For a given grade (hill) or given acceleration rate, a 4.10 ratio means less torque on the engine/transmission. IE, if everything else is the same (same hill, same speed up the hill, same load on the vehicle/trailer) it takes the exact same torque AT THE WHEEL. But the 4.10 ratio multiplies the...
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    Remove Codes : Installed 2001 4WD body on 2002 2WD frame/drivetrain...

    I thought the big jumps were when they went to the 03 model year?? If I'm right on that, the actual wiring harness is likely to be the same. OP probably just needs the BCM to be flashed to the VIN of the frame/engine. However, there is a chance that will mess with other things then (security...
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    Clunk noise not u joint

    Pull the bolts on driveshaft (after blocking so it doesn't roll) and see how much backlash is in your differential.That's what was causing my clunk.
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    How do I disable auto a/c defrost?

    Correct, when you press defrost it defaults to the AC compressor being on, you have to manually toggle it back off. The OP is asking if there is a way to "tune out" the auto-on feature so he doesn't have to manually toggle it back off.
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    2003 GMC Yukon XL Need Help tracking down an issue

    That is all very true... you can often replace financial costs with time-costs. That being said, almost all circuit failures (shorted/broken wires) will be detected by the control module that operates that circuit and will trigger a code. This will greatly simplify the process of tracking down...
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    Poll: Do you burn oil?

    I just got through the first OCI since we bought the XL so I ran what the dealer had in it for the first OCI, then switched to Cen-Pe-Co 5w30 Synthetic. 05 5.3L 125k Dealership oil ~1 qt loss OCI: DIC reading, this time it was just short of 10k miles. Driving habits: Usually pretty easy on the...
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    Question about ZW7 Smooth Ride (Nivomat) shocks

    Thank you for that!!! I had been misled by some references in past threads that the ZW7 code = Nivomat shocks. It makes perfect sense now why I don't have Nivomat shocks and I think I'm inclined to just leave the suspension the way it is. I don't usually tow a trailer or otherwise load mine down...
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    2003 GMC Yukon XL Need Help tracking down an issue

    IMHO, your problems can be mysterious snd costly to repair when you're shooting in the dark. Get yourself one of the $300 GM Tech 2 scan tools and find the actual problem. The driver seat module will tell you why its shutting off the seat, the transfer case control will tell you why it needs...
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    Latest oil change/ oil filters

    IIRC, non-chlorinated brake-cleaner is mostly acetone in an aerosol can... The lack of evaporation may actually be the brake-cleaner chilling the parts down (notice how it makes parts cold?) causing condensation of moisture...

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