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    Brake Fluid Flush

    I want to change all of the fluid, including what is in the ABS portion of the system. The dealership wants $160 to do it. I'll just pay them. Not worth buying a high dollar scanner, to save $160.
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    Brake Fluid Flush

    Hello all. My wife just took our 2018 Yukon XL Denali into the dealership for an oil change. They told her it needs a brake fluid flush. I'm out of town for work, will be back in two weeks. I am mechanically capable, built a few older cars from the frame up, but haven't worked on the newer...
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    Trailer Towing Question

    I tow a car trailer with my jeep on it a few times a year. Use it to drag home junk cars once in a while. Tow vehicle is our 2018 Yukon XL Denali, that has Arnott air bags on the back with the mag ride delete dummy sensors. On the last trip I didn't bother to pull the ramps to unload, and the...
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    Arnott AS-3429 Failure

    The shaft threaded back on to the top hat with no problem, threads are just fine. No rotation at time of install, took just under two years and 18k miles to unthread themselves. I am hopeful they remembered the red loctite on this pair. I won't be buying another pair, but will continue to...
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    Arnott AS-3429 Failure

    Do you have a recommendation for a replacement? I want to retain the air bags for towing, but delete the mag-ride. I do not mind a separate simulator for the mag-ride bypass.
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    Arnott AS-3429 Failure

    I installed them at 93k, truck currently has 111k. Little less than 20k miles in just under 2 years.
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    Arnott AS-3429 Failure

    I hooked the airlines up, started the truck, and sprayed the fittings with soapy water. No leaks. Fair odds I'll ignore it until it becomes a problem, kind of my style.
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    Arnott AS-3429 Failure

    SO.... I installed a pair of Arnott AS-3429 shocks on the back of the wife's Yukon XL just about 2 years ago. She told me the other day the truck was real bouncy in the back. Both top hats of the shocks have come loose from the shock shaft, threads are fine just unthreaded. Driver's side...
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    P0700 and U0100

    It's been almost two years and the truck did the same thing again yesterday morning. We were at home this time, headed out together. Truck glitched out, so we took the car. I checked the codes this afternoon and got the same two codes again. I cleared the codes and it immediately reset the...
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    Spark Plugs for 6.2L

    I just got done changing the plugs and wires. Wasn't the worst set of plugs I've changed, but close. Driver's side I did from the top, no problem. I pulled the passenger tire and wheel liner to access from the side. Wasn't that bad, except for cylinder 8. My truck has the rear heat and a/c...
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    Spark Plugs for 6.2L

    Thanks for the tip. I had a 02 Z28 years ago. On that one it was easiest to change the plugs when installing long tube headers. Already had the motor mounts undone, power steering pump loose, and motor jacked up until the trans hit the tunnel. Hopefully her truck goes easier than that Camaro.
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    Spark Plugs for 6.2L

    Amusingly enough, I ordered those exact plugs and wires yesterday. I'm not really mad at the garage for the price they quoted, I'm just too cheap to pay that kind of money for a simple job. Their time has value and I understand the job, while simple, does take time. Now, if they were cracking...
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    Spark Plugs for 6.2L

    I've wrenched on my own cars for years now. The Yukon is due for plugs and wires. Any common pitfalls to avoid? Any tricks to make the job simpler? Considering the dealership wants $600 for the job, I imagine it must be a PITA.
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    Air Shocks not Pumping Up?

    This thread hasn't gotten much traction, but want to close the loop on this one incase someone searches in the future. I ordered a new compressor and that solved the issue. Compressor pumped up and shut off when reached pressure. Did a leak check with soapy water, no leaks observed. I am...
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    Air Shocks not Pumping Up?

    I think I found the relay, I am assuming it is the one taped to the harness by the fuse panel on the drivers side wheel well. I pulled the relay and checked voltage at pin 30, I got 6v to battery - terminal. That seems low - it may be my meter, or could it indicate a fault? I started the...
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    Air Shocks not Pumping Up?

    Did some work on the truck today and looked into the air ride system while I had it on stands. I pulled an airline from a shock, then started the truck - pump did not cycle. I am fairly ignorant to these new vehicles and scan tools and such. What is a bidirectional scan tool? Also, I was...
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    Need New TPMS Sensors

    Changed out the sensors today. Easy peasy. I loaded the four wheels and tires in the bed of my truck, carried them to the dealership (they are just up the road), and they broke the outer bead for me on each one. Carried them back to the house, pulled out the old ones and swapped in the new...
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    Need New TPMS Sensors

    Will do. I placed the order last night, should be at the house by Monday. I should be at the house by Wednesday, currently on travel for work. Hopefully I get them installed next weekend.
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    Need New TPMS Sensors

    These sensors: GM TPMS from Rock Auto state in the listing 'No programming required before installation - follow OE relearn procedure after installation.' They are $48 a sensor, but I assume they are good quality. I have a manual bead breaker to pop the outer bead to change the sensor. If...
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    Need New TPMS Sensors

    I have a 2018 Yukon XL Denali. The battery died on one of the tire pressure sensors. I am looking to purchase a set of new sensors and install them myself, as the dealership wants $250 PER WHEEL! I am looking for recommendations on a good sensor. I see Rock Auto has genuine GM sensors for...
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    Air Shocks not Pumping Up?

    I would have thought the computer would throw a code tho, common not to throw a code?
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    Air Shocks not Pumping Up?

    I have a 2018 Yukon XL Denali with the MagRide / air shocks in back. I swapped in a set of ARNOTT AS3429 to delete the MagRide but retain the air shocks to level the truck out when towing. Swapped the shocks in July of last year. I have towed since installing them and the truck leveled out...
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    Ditched the 22 Snowflakes for 18" AT4 Wheels

    I sold the wheels for $850 on Marketplace yesterday. I had over 50 people contact me about them with ~10 ready to buy them for full asking. I was asking $750, someone messaged me offering $850 if I would hold them for him. Amusingly enough, I had plenty of $400 offers too.
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    Breaking the Bead on a 22"

    I sold the wheels for $850 on Marketplace yesterday. I had over 50 people contact me about them with ~10 ready to buy them for full asking. I was asking $750, someone messaged me offering $850 if I would hold them for him. Amusingly enough, I had plenty of $400 offers too.
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    Looking to Buy New Battery Cables

    Can you provide a link to the cable? I searched their site and could not locate the short cable from the battery to the fuse panel on top of the battery.

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