vacuum

  1. R

    Vacuum lines for a 1990 K1500 305c.i.

    It seems there aren't any places (like there used to be) to buy exact fit hard vacuum lines for my pickup. I need to replace most of it, but especially the line that goes from the EGR control solenoid to the throttle body. The original line is a small hard line with enlarged rubber boots on the...
  2. Chase Zvolena

    Break booster replacement = no start?

    Hey everyone, I am a proud owner of a 1996 chevy suburban k1500. The breaks on it have been hissing and the break peddle squishy with the normal symptoms of a vacuum leak, so I replaced the break booster yesterday. After replacing the booster the truck will no longer start. Just cranks. I've...
  3. KCusick81

    Vacuum testing for dummies? 5.7 Vortec

    Good morning folks, I just have a quick question. I have a 1997 Chevy K1500 with a 5.7 vortec. Lately, I've noticed my truck just not quite running right. I've hooked up my scanner and watched the live data, and while I haven't seen anything completely out of whack, I have noticed my long term...
  4. 1

    Vacuum weirdness

    Hi all, me again. Got some weird nonsense going on with the vacuum in my truck. 1990 K2500 5.7tbi Been chasing the stalling problem for a while now (posted about it before) and after doing some troubleshooting and just messing with random stuff it was discovered that if I ran the vacuum line...
  5. McSweeney

    Possible vacuum leak not sure need help

    So i have a 97 305 vortec that I replaced spider injectors on and i never bothered to check the intake manifold pressure prior to install. So after i checked it with one of those fixd scanners and map is reading 4psi at idle which from my experience is way too low. Replaced map and nothing...

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