Question about 1989 Chevrolet C/K 3500

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Have an 1989 chevy truck 3500 5.7L which has a high idle which somtimes won't go down even after warm up, or long drive. I can't find a idle adjust and my auto manual does not say if I could change timing or what to look for etc ...please advice

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6ya6ya
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Posted on Jan 02, 2017

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  • 15 Answers

SOURCE: 1989 Chevy K2500 - idles fine but stalls out when put into drive.

Sounds like the injectors may be bad or just really dirty. You say that the truck is only used as a plow truck, so I would assume that it sits alot. If you dont add any fuel stabilizer to the tank, the fuel will start to degrade and the will gum up your injectors. One thing you can do is to pull the air cleaner assembly off and look at the injectors while the truck is running. Look at the bottom of the injectors while it is running. The injectors shouldbe spraying fuel with a fan spray of fine mist. If you see any drips of fuel in the this fine mist, that injector is at least dirty or on its way out. I would recommend that you change your fuel filter and then get some fresh fuel and the purchase some Seafoam fuel injector cleaner from your local parts store. Dont mess around with anything else. GET SEAFOAM. If it is in a plastic bottle it is not strong enough to do anything. Seafoam is in a metal can. Dump the seafoam in and run the truck as much as you can. This will help clean out the injectors.

Posted on Jan 22, 2009

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alicantecoli
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SOURCE: 1989 454 3500 3sp-auto

dont wish to appear rude but if you want economy a nice VW caddy,or peugeot partner.if you want larger then a ford transit ,its the best white van around ,3.5 litre petrol here in spain we would have recylcled that monstrosity years ago,Doubt if it would evan pass the emission laws here now.

Posted on Feb 02, 2009

  • 161 Answers

SOURCE: what is the air bag pressure setting on an 1989 Chevy 3500

it should be at the maximum high pressure. airbag pressures were reduced only recently due to lawsuits. if you mean air suspension, it might be rather hard to locate the settings. try contacting Chevrolet itself or, if the air suspension is an aftermarket, its manufacturer to help you.

Posted on Jun 12, 2009

  • 383 Answers

SOURCE: i have 1995 chevy 3500 truck my flashers and my

does that have a third brake light ( one on back of cab) if that one don't work then it more than likely brake light switch (on brake pedal) or fuse.

if that one works but other ones dont more than likely bad ground

Posted on Feb 13, 2010

jonathanh356
  • 75 Answers

SOURCE: I need a diagram for a 1989 chevy p.u 3500 for a

Your belt routing should be on a diagram on either the fan shroud, or the core support. However, this routing depends on whether or not your truck is equipped with a/c. Either way a belt routing diagram should not be difficult to locate.

Posted on May 30, 2010

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