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  1. Drec

    Cat Replacement?

    Are you getting a code set, with a cat failure? If you aren’t, it’s probably a muffler instead of a cat; which is what is wrong with mine.
  2. Drec

    Jokes and Riddles

    Jeff Gordon - Test Drive 2
  3. Drec

    Vortec 4200 build on Hot Rod Garage

    When I originally posted this thread, I didn’t realize that you would have to subscribe to watch it online. The episode is playing on Motor Trend TV right now, if you have cable or Dish TV.
  4. Drec

    Vortec 4200 build on Hot Rod Garage

    I understand, but they can only pack so much in a half-hour program. It would be better if it was longer. With minimal modifications and a turbo, they got over 400 HP on the dynamometer. I look forward to next installment.
  5. Drec

    Vortec 4200 build on Hot Rod Garage

    The guys on Hot Rod Garage are building a couple of 4.2l engines to compare with the Barra (an Aussie) engine. The episode is #40, with an air date of 5/1/2020. Hot Rod Garage is on Motor Trend TV...
  6. Drec

    Supply chain disruptions becoming evident

    I wouldn’t believe any delivery date on Amazon. The stuff that I ordered was supposed to be delivered within a few days. That was three weeks ago and USPS shows that they haven’t received the items yet.
  7. Drec

    Supply chain disruptions becoming evident

    On my previous post (#12), the items that I purchased were being sent through USPS; which seems to be a bad choice now. A few minutes ago, I ordered some parts from Rockauto, they are only using DHL and FedEx. UPS and USPS options are not available.
  8. Drec

    Supply chain disruptions becoming evident

    What I’ve noticed, is some Amazon and EBay purchases, seem to take a lot longer to arrive. Actually when purchased, the ETA was less than a week; which would have been a couple of weeks ago with no idea when they will arrive.
  9. Drec

    Gas prices

    In Cle Elum, Washington, their prices a couple of weeks ago were at $1.699 per gallon, now they are down to $1.259 per gallon.
  10. Drec

    Here's how I am spending my time in quarantine.

    One of the downsides of being retired, everyday is a work day in the shop, unless my wife wants me to take a day off and do something for her. A couple of weeks ago I bought a 1998 K1500. The front seat adjuster wouldn’t work, so I pulled the seat out and took the track all apart. There were...
  11. Drec

    Gas prices

    I filled up in Cle Elum Washington yesterday for $1.699 per gallon. Then I drove down the hill a half mile away and the price was $1.659 per gallon. This was on the return leg of a moving trip. On the first leg, the cheap gas was $2.429 per gallon. The gas in the Seattle area is still about $3...
  12. Drec

    What did you do to your GMT today?

    A couple of days ago, I bought a GMT-400. A 1998 Chevrolet 5.7l 5-speed 4x4 truck. It has 167k miles on it. Today I removed the frontend brush guard and the headache rack; which just aren't me. In the next few days, I'll give it a tune up and a new muffler. I suppose I'll have some questions...
  13. Drec

    SOLVED! Grinding in the front right.

    Several years ago, maybe more than a couple, I had what sounded like a bad wheel bearing. The following thread post #2 is how I solved the problem. https://gmtnation.com/forums/threads/underneath-vehicle-camera-mount-for-troubleshooting-noises.19438/#post-574067
  14. Drec

    How long do you plan on keeping your Trailblazer / Envoy?

    I have 2002 Envoy; which I bought two years ago with 117K miles. I bought it, for what I thought was a fair price $3000. It needed tires, then a couple of months later a transmission rebuild ($3000). Since then it has been a raft of other issues, coil packs (3), water pump, electronic...
  15. Drec

    What did you do to your GMT today?

    After replacing the Envoy catalytic convertor and O2 sensors, during the drive cycle all of the monitors completed, except for the EVAP; which finally reset after about 700 miles. So it is probably in the best shape it has been in since I’ve owned it (2years) and 35K miles.
  16. Drec

    Factory Alignment TechLink

    Do a Google search “string alignment method”. I’ve seen some bad alignments, and always thought that the only way you would know if you got a good alignment was to wait/drive your car for six months and the tires didn’t have uneven war, you might have a good alignment. That said, is why I...
  17. Drec

    What did you do to your GMT today?

    I bought a universal catalytic converter for the Envoy and some new oxygen sensors. So a couple of days ago, I jacked the car up and put it on stands. Then cut off the old cat and got the new one in place. So, laying under the car, doing one of my fun jobs gas welding overhead, the cat...
  18. Drec

    Fan clutch

    What did you torque them to, initially?
  19. Drec

    Fan clutch

    I replaced my clutch fan last month with a HAYDEN 3200 Electronic. It is load at startup. I just thought that this is the way it is supposed to act. I haven't noticed if it quiets down, but I'll look at it. Other than that, it works great. No codes; which is what I was shooting for. I did have...
  20. Drec

    What did you do to your GMT today?

    Still moving and while driving up Snowquamie Pass (elevation 2700’)we were doing almost 20 MPH at the summit. Got the Envoy and trailer home and checked the codes. The car through a P1171. So I installed a new fuel filter today; which seems like it fixed the problem. I still have some issues...
  21. Drec

    FOR SALE 2005 Trailblazer EXT LT

    I was just curious, sadly I’m not in the market right now. It sounds like a good deal.
  22. Drec

    FOR SALE 2005 Trailblazer EXT LT

    What year, engine and miles?
  23. Drec

    NEED HELP Hi,I can't get the exhaust flange nuts to budge!

    Could you get a small cutoff wheel in there a partially cut through, then finish it with a chisel? If not try to split the nut with a sharp chisel.
  24. Drec

    Filled tank but won’t start?

    I always top off. On my Silverado, I can put 5-7 gallons in after the first click; which has been happening for over 14 years. At first, I thought that it was going into the tank too fast, so have the medium selection on the pump with the same result. I’ve never had a problem with my Envoy either.
  25. Drec

    VIN decoder ???

    A couple of concerns that I would have: a) does the VIN on the body match the title. b) is there another VIN on the frame c) has the frame been lengthened It might be interesting to find out the truck history. Then again, you could turn up something that could be a problem. If it’s going to be...
  26. Drec

    NEED HELP ATF leaking at radiator coolant line fitting on 2002 Envoy

    After looking at the fitting when I pulled it out, I thought about putting a new o-ring in it. After all of the trouble I went through to get the correct fitting, I just decided to replace it. Next time I’ll replace the o-ring.
  27. Drec

    NEED HELP ATF leaking at radiator coolant line fitting on 2002 Envoy

    Drove it a few miles, and no leaks. I’m taking it out in a few minutes for a longer run. In the next week, I’ll replace the A/C Accumulator and charge the system. Then replace the serpentine belt.
  28. Drec

    NEED HELP ATF leaking at radiator coolant line fitting on 2002 Envoy

    The ACDelco part number (19125677) is what I stared looking for; which wasn’t showing up locally. So we cross referenced it to a Dorman 800-604. I bought them yesterday and went out to replace them this morning. They wouldn’t work. The threaded portion of the fitting was too small. Back to the...
  29. Drec

    NEED HELP ATF leaking at radiator coolant line fitting on 2002 Envoy

    First, I did buy some of the OEM coolant line fittings today and will install them or one of them tomorrow. I appreciate this old school alternative and it would be a better fix; which I might consider doing as a more permanent fix. Has this been a problem with the lines popping out, as was...
  30. Drec

    NEED HELP ATF leaking at radiator coolant line fitting on 2002 Envoy

    When I noticed the leak, tightening the fitting eliminated the leak around the threads. Now it appears to be leaking through the fitting/tube interface. I’ll just replace the fitting and hopefully that will take care of the problem.

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