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  1. Schurkey

    4L60E BANG! during kickdown, now no 1st Gear

    1997 1998 GMC Sonoma (Chevy S-10) 4.3L V6, 4WD, 4L60E This is the vehicle that had a frozen battery and loose negative cable at the battery terminal. Parked since September-ish because I was told the alternator was defective. I put a battery in it a week ago, tightened the cables. No trans...
  2. Schurkey

    HVAC Control Head in dash--multiple issues (Mostly fixed)

    1988 K1500, AC + heat, (Option C60) the usual push-button control head with the "blue" vacuum-fluorescent electronic display panel. Apparently the '88 “black” control head is a one-year deal, the '89 and '90 have grey plastic faces but function the same. This control head design has a long...
  3. Schurkey

    Attachments in PMs

    There's no way to upload a photo or other attachment in PMs. A photo with a web address can be included, but not one hosted on my own computer. Is there a reason for this? Can attachments be allowed?
  4. Schurkey

    10.5" Full Float Truetrac Differential Installation

    1997 K2500 8-lug 10.5” Ring Gear Full-Float axle Truetrac Differential Installation Driveline Tragedy and Heartache, Ending in Success. Intended to install an Eaton Truetrac helical-gear style “posi” in the 8-lug '97 K2500 plow truck, 10.5” full-float rear axle last summer. Things got put...
  5. Schurkey

    Computer swap vs. scan tool

    When a person replaces the stock computer with a newer/better computer, how do you program the scan tool to accept and display data from it? Do you just program the actual vehicle by VIN Numbers; or do you have to lie to the scan tool and use the VIN Numbers from the donor vehicle the computer...
  6. Schurkey

    Nickle-Copper brake tubing (Making flares)

    Finally got back to the rear brake job on my '97 K2500. I've had the truck almost five years, but only about a thousand miles in that time. Truck is full of neglect. I'm dealing with each issue, but not rapidly. I figured the shoes would be totaled; right on the rivets. Figured the drums...
  7. Schurkey

    NOT GMT400 RELATED. '09 5.3L oil pressure issue

    Posting here 'cause I'm not a member of an LS-specific forum. Friend has an '09 Silverado with low oil pressure at the rear of the engine--sensor and dash gauge shows ~20 psi when warm at idle, in neutral. Sets an oil pressure code. My friend replaced the sensor and the screen under the...
  8. Schurkey

    Separate "Diesel" sub-forum for Engine section

    There are currently three sub-forums in the Engine Performance + Maintenance section. Two of them are devoted to specific gasoline engines--'96-up Vortec, and LSx. I propose another sub-forum for Diesel engines. They're more different from the "typical generic SBC 350" than either of the...
  9. Schurkey

    Treasure Yard Score!

    Showed up at my favorite Treasure Yard today. Grabbed a 1991 9.5" semi-float rear axle with the 11.x" JB6 rear drum brakes and six-lug axle shafts. Actually saved what appear to be rear shocks in good condition (still have gas pressure, anyway) and one emergency brake cable that isn't seized...
  10. Schurkey

    Destroyed, or beautified GMT400?

    https://www.curbsideclassic.com/curbside-classics-american/curbside-classic-1990-chevrolet-c-k-1500-a-little-sheetmetal-surgery/ www.curbsideclassic.com/curbside-classics-american/curbside-classic-1990-chevrolet-c-k-1500-a-little-sheetmetal-surgery/ NOT at all my idea of "improved". But...
  11. Schurkey

    Caliper rebuild--iron single-piston

    I've been on a caliper-rebuilding kick for awhile. Decided to pull the calipers apart on my '97 K2500 8,600lb (8-lug) because the fluid in the reservoir looked horrible. Turns out, the front pads are hardly worn, and the calipers are both black-painted remans. Neither had sticking pistons...
  12. Schurkey

    TBI HEI / Small-Cap HEI ignition problem areas

    [Note: This is a placeholder for a more lengthly post--a work in progress. More to follow.] Common problem with '87--'95 TBI "Small Cap" HEI distributors. The Ignition Control Module gets blamed for poor performance when the real issue might be in the pickup coil assembly. I'm not saying...
  13. Schurkey

    NP241 Drain plug thread size

    Decided to dump and refill all the fluids on my new-to-me '97 K2500. Got the transfer case drain plug out, there was only about half-a-quart of fluid in the thing, and it was brown-black when I expected red ATF to come out. Smelled like burnt ATF, thin like ATF. Anyway, I go to take the fill...
  14. Schurkey

    1997 7.4L Starter solenoid S-terminal "purple" wire repair

    Starter has been erratic on my '97 454 "plow truck" ever since I bought it six months ago. I finally had time to dig into it. I found that the "purple" wire to the starter solenoid "S" terminal had been repaired before by the Previous Owner. I don't know who "Previous Owner" is, but he sure...
  15. Schurkey

    Power Steering Cooler (In-Frame, '97 K2500)

    Bought a '97 K2500 with a snow plow on the front. We've had larger-than-usual snowfall here--this was the perfect time to get a plow. Seller tells me there's a power steering fluid leak. He's already replaced the pump/reservoir, and a couple of hoses to the Hydroboost. Still leaving...
  16. Schurkey

    1997 V-8 Vortec Distributors

    Tried searching this forum, got no appropriate results. Bought a '97 K2500 7.4L with a dead miss in #8. Too cold, too snowy to lift the hood and diagnose--and no garage. Figure I can't go wrong ordering tune-up parts as I'll need them sooner-or-later. Looking on Summit, I see Vortec-looking...
  17. Schurkey

    1991 4L80E weaknesses?

    I have my eye on a '91 K2500. The price is higher than I'd normally expect, but it does seem to have the "heavy duty" equipment I'm looking for--and there's not a lot of other trucks like it around here. I know that '91 was the first year of the 4L80E. Does this trans have a specific set of...
  18. Schurkey

    Front Sway Bar--2WD vs. 4WD

    My '88 K1500 did not come with a front sway bar. I have a front bar and mounting hardware from an '88 or '89 C1500, but the bar is clearly different from the 4WD unit. Has anyone installed a 2WD bar onto a 4WD vehicle? Any installation tips?
  19. Schurkey

    Cruise Control " Multifunction " Turn signal stalk / Lever

    Searched for threads about fixing Cruise Control; saw nothing with photos regarding the multi-function stalk. Among the many things that didn't work on the '89 K1500 I'm borrowing was the Cruise Control. I have an "official GM" Service Manual for my '88; this manual must be an early edition as...
  20. Schurkey

    Pulse / Delay / Intermittent Windshield Wipers

    I'm borrowing a friends '89 K1500 extended cab while my '88 is down with a popped engine. Part of my "rent" is that I get to fix about a thousand things that are broken or non-functional on this vehicle. Today's successful project was to get the windshield wipers functioning reliably. The...

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