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  1. rockR67

    4L80e cooler line - which is the return?

    Hi All, Going to do a filter and flush on the c2500. I usually pull a cooler line at the radiator end to get a full flush done - ideally the return line so the incoming line can pump old fluid out and through the coolers into a pan. anyone know which of the two lines at the front is the...
  2. rockR67

    Rear sway bar - adco 214

    Hi all, I'm thinking about adding a rear sway bar to the ‘99 suburban. There are a couple of options out there, and this one that is half the price and doesn’t require drilling. (Adco 214) https://www.sdtrucksprings.com/index.php?main_page=product_info&products_id=23498 even though a rear...
  3. rockR67

    Up early and headed out this morning

    Had a chance to put the 3/4 ton to work this morning on a jaunt south to Alexandria. It is the first time I’ve pulled with it like this, probably about 5500#. The c2500 is still a great setup for the job, no complaining from it and no drama at all. I’m impressed, it did as well or better than...
  4. rockR67

    '99 c2500 Burb fun

    Hi all, I've been working on this c2500 7.4 Suburban quite a bit across the summer, so I figured I'd go ahead and start posting some progress along the way. As a first step, the subject in question: 8/30/23 LA There's some work to be done here but it's in pretty good shape. The truck...
  5. rockR67

    7.4L with Sanden - belt length

    Hi all, I couldn’t find this in the archives, so … anyone have a good guess on the new belt length needed for a Sanden Compressor? The engine is the 7.4. no air pump. Sanden makes some recommendations but only for the 5.7L engines. It looks like about an inch extra from what they say … any...
  6. rockR67

    Compressor on with one can of refrigerant…

    Hi all, I’ve worked on a few AC systems before but never had this. Replaced the front evaporator (not fun), accumulator, new orifice tube and added oil to everything as specified in the manual. Pulled a vacuum and after a good measure of time (1.5 hrs), started to put r134a in. Compressor...
  7. rockR67

    Rear heater bypass?

    Hi all, Quick question here: any reason why I should not bypass the rear heater core in the 'burb to kill off a leaking rear unit and not worry about it any more? I'll probably just modify the hoses under the hood to eliminate the out and back to the rear. I'm thinking this shouldn't be a...
  8. rockR67

    Checking in from Louisiana

    Hi all, Checking in from the north part of Louisiana to say hi. I recently brought a '99 c2500 home to start bringing it back a bit. It's been in the family for a long time, and it's pretty solid. Still, I can tell there are going to be some fights coming up. I've got my eye on the blend...

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