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  1. J

    2021 Tahoe PPV massive oem brakes, 16"

    Since your new caliper has 6 pistons, 4 more than previous front setup, does the master cylinder need replacing also?
  2. J

    2021 Tahoe 9C1 PPV

    When it was new, the stick price was less than $52K, now used car dealer wants $60K, how much could be when police dept sold it??
  3. J

    2021 Tahoe 9C1 PPV

    This is a 2022 PPV for sale now: https://chicagomotors.com/314833/2022-Chevrolet-Tahoe
  4. J

    Trying to purchase a 22 or 23 PPV

    Another one is for sale: https://chicagomotors.com/311633/2021-Chevrolet-Tahoe
  5. J

    Trying to purchase a 22 or 23 PPV

    Here has one: https://www.carfax.com/vehicle/1GNLC2E03CR287477 The price is marked up $12000 from window stick price.
  6. J

    2021 Tahoe 9C1 PPV

    There are 3 items to verify your Tahoe being a PPV or not. 1) Check glove box Pro-Code stick, should be "9C1" there. 2) Check front brake caliper, should be a 6-piston Brembo caliper. 3) Check driver-side cargo area, should be an Aux battery there.
  7. J

    Tahoe #8 Spark Plug access

    No need removing wheel fender, just remove the tire, use spark plug socket, plus regular 3/8 ratchet, and slightly bend A/C accumulator heat shield, the job can be done.
  8. J

    Stupid strut nut: install on bilstein 5100?

    Should be an easy job. Using an offset wrench and a crescent wrench to get job done. https://www.harborfreight.com/8-piece-metric-offset-box-wrench-set-32042.html
  9. J

    2011 SSV starter replacement.

    For your 2011 application, AGM battery was NOT from factory as OEM equipment. The charging system did NOT meet AGM battery charge requirement. So, the AGM battery performance benefit and life-span were 100% granted. Started 2021, Tahoe PPV has factory installed AGM battery.
  10. J

    2021 Tahoe PPV/SSV Information

    There was a 2021 Tahoe 9C1 PPV 4WD for sale in Chicago Motor yesterday, 6000 miles, $58000. It has gone.
  11. J

    2021 Tahoe PPV massive oem brakes, 16"

    That PPV Brembo caliper is slightly different from other Brembos', the pad can NOT be removed without removing a caliper anchor bolt. See the pix listed as No.4. Other Brembos' caliper have NO "cross member", after pads clip (hardware) being removed, the pads can be removed.
  12. J

    Another persistent P0420

    Looks like you hit the nail head. There could be a broken exhaust manifold bolt neat driver side firewall, that could be a leaking spot. The extra O2 (Non metered O2, without going through MAP sensor) going to exhaust system, which triggers O2 sensors senses unburned O2, more like lean burn...
  13. J

    Another persistent P0420

    Add followings: Checking fuel injector leaking Check any exhaust manifold broken bolt Check exhaust leaking between up and down stream O2 sensors Expensive way: Install a known good down stream O2 sensor as diagnose purpose. Install a new catalytic convertor will guarantee P0420/430...
  14. J

    2014 PPV Tahoe For Sale

    I unloaded my 2007 Tahoe PPV (155K Miles) for $4000 in Oct 2021.
  15. J

    07 Denali XL rear AC lines leaking

    I have a NEW spare set on hand, if you are interesting, please contact me PM.
  16. J

    Decommissioned Tahoe PPV: Auxiliary Battery and Its Usage

    Here is my google research result about dual battery setup: 1) Primary and aux battery connected in parallel WITHOUT an isolate relay When the engine is NOT running both batteries supply all OEM, aftermarket (upfitted) and trailer electric devices same time; when the engine is running, both...
  17. J

    Still leaks after 3 "fixes"

    solosys O-ring on right side of the cooler block (2nd pix of your posting) See the followings:
  18. J

    Decommissioned Tahoe PPV: Auxiliary Battery and Its Usage

    Edited
  19. J

    2007 Yukon Denali Fuel Pump Access Door

    If the fuel tank is near full, it could take 2 people more than 2 hours to drop the tank, disconnect wires and tubing, and put every thing back in drive-way.
  20. J

    Rear Differential Whine

    The price of $400 to replace carrier bearings is very good! Here could be the ticket: The issue is isolatd to carrier bearings area: adjusting shim to meet backlash or carrier bearing clamp bolt torque to meet GM specification (55-60 Ft.Lb). Perhaps the price was too good to do extra job...
  21. J

    Rear Differential Whine

    1) What model/year/mileage of your truck? 2) Did you get back all defective parts back from shop after rear differential job has been done? That can help us to dermine what parts were replaced. 3) How much did shop charge for the job? That can help us estimating how much job was done. 4)...
  22. J

    Decommissioned Tahoe PPV: Auxiliary Battery and Its Usage

    For 6A6 (DUAL CRANKING 730 CCA BATTERIES), it is dual batteries setting with parallel connection without isolator relay in 2007 model. 5W4 (IDENTIFIER FOR SPECIAL SERVICE VEHICLE) is a Pro Code for police option package, which includes following options: (K47) high-capacity air cleaner, (KW7)...
  23. J

    Decommissioned Tahoe PPV: Auxiliary Battery and Its Usage

    Most Tahoe PPVs come with auxiliary battery option (Pro Code 6A6, 5W4 or 9C1), which is part of PPV package. Based on GM published electric circuit schematic, auxiliary battery only supplies power to police add-on electric gears which will be installed by an aftermarket upfitter before Tahoe...
  24. J

    Rear Locking Differential Rebuild Price

    2007 Tahoe Rear Differential Repair parts only expense, I did the job by my self in the Spring of 2021: 1) Differential Carrier Bearing & Race Timken #: SET36 (Bearing & Race set), $12 from Rock Auto QTY: 2 sets 2) Rear Wheel Bearing & Seal Timken #: TRP59047 (Repair Bearing with...
  25. J

    2007 GMC Yukon SLT fuel access door.

    How did you cut the opening with a cutting wheel without touching the top of fuel tank?

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