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K2500 Suburban

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A/C pressure is high on both sides after compressor, condenser, accumulator, orifice change

Hi there. In general, high pressure on both high and low pressure AC sides is typically caused by an obstruction in the evaporator. In some cases, this can be a simple debris that can be cleaned if removed, while in...

The driver side reverse light won't work, only the passenger side light works. I've changed all the bulbs and I still can't get it to come on.

I would suspect that that there is a problem with the socket for the light bulb (https://www.yourmechanic.com/services/reverse-light-bulb-replacement). Corrosion will build up in the bulb socket and not allow power, or ground, to get to the bulb. If the bulb is...

I'm getting P0336 code which is crankshaft sensor A. I have changed it out and car still does not start

Hello - lets check basics first. Do you have spark at the plug now? If not, there is still a fault with the ignition. Get the problem codes whether Check Engine is still on or not. If you have spark,...

There appears to be a short causing the battery to drain while the engine is off

Hi there, thank you for asking a question about your 1993 GMC K2500 Suburban. The easiest way to find the source of battery drainage is by process of elimination. Get a hold of a volt/multi-meter. Start with a fully charged...