GMC Jimmy Oil Pump Not Working

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MJWIDD
  • MEMBER
  • 12 POSTS
Is there a way to tell if your oil pump went bad, or is not working it's a 2.8 GMC Jimmy no gauges just an idiot light
Mar 25, 2006 at 1:18 PM
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BURRBRIAN
  • ✓Experienced Mechanic
  • 158 POSTS
Well, if your pump isn't working -your light should come on. If you really want to see if it's pumping pull valve cover off -start motor-if pumps working you should make a mess pretty quick! Dirty way of seeing but should answer your question one way or another.
P.S.- have some old shop rags handy!! :lol:
Mar 29, 2006 at 11:01 AM

Suggested Repair

If the oil pump is not working, the warning light should come on. To confirm flow, remove the valve cover, start the engine, and look for oil; keep shop rags ready.

Conversation Summary

The owner of a GMC Jimmy 2.8 with no gauges, only an oil warning light, asked how to tell if the oil pump had failed. The expert said the light should come on if the pump is not working, and suggested removing the valve cover and starting the engine to see whether oil comes out, with rags handy.

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