What did you do to your NBS GMT800 Tahoe/Yukon Today?

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05Single

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Tonyrodz

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Also hoping to get both front axles swapped out while motor is out. Both are slinging grease from loose boot ends. Not torn, just loose where the metal bands are.
 

Firm

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By-passed the OE HIDs, they've bee nothing but trouble, and installed an aftermarket kit and relay harness. Hoping that means my ballasts will last more than a few days now!

Also installed Monroe 90012 shock kit. At 150,000 miles my fronts were weak and one of the rear air shocks were leaking. The kit bypassed the electronic ride control, but retains the rear air-leveling, which I wanted to keep for my occasional towing. Took it on a good test drive and it feels like a new truck! Very pleased.
 

mattbta

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Update: new jounce bumpers have transformed the truck. No longer is it bouncing all over the place on rebound. Highways don't feel like a boat ride either. Hard to believe. I'm still sorting some steering issues but this made the ride quality so much better. Might have to do the rears but I don't think they'd have as big an impact.

Yesterday I took off the valve covers looking for sludge. Didn't find any. Put new gaskets on it. Wanted to put the grommets on the bolts but couldn't figure it out and was getting impatient.

Also changed the oil and it came out with no sludge, so my coolant consumption or leak is elsewhere.

Then took it to get a brake fluid flush since I changed out all brakes a month ago. Just didn't want to mess with it and a local shop did it pretty cheaply.
 

TM98

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Update: new jounce bumpers have transformed the truck. No longer is it bouncing all over the place on rebound. Highways don't feel like a boat ride either. Hard to believe. I'm still sorting some steering issues but this made the ride quality so much better. Might have to do the rears but I don't think they'd have as big an impact.

Yesterday I took off the valve covers looking for sludge. Didn't find any. Put new gaskets on it. Wanted to put the grommets on the bolts but couldn't figure it out and was getting impatient.

Also changed the oil and it came out with no sludge, so my coolant consumption or leak is elsewhere.

Then took it to get a brake fluid flush since I changed out all brakes a month ago. Just didn't want to mess with it and a local shop did it pretty cheaply.
Which jounce bumpers did you end up using?
 

mattbta

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Just the stock replacements for a non z-71 (I'm not lowered or lifted): 15153958

Z-71 are 15153959

$20/ea on Amazon. Took about 6 minutes to install.
 

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