I have a 87 v1500 jimmy 4x4 that has blown 3 oil pressure sending units in the past 2 months. What would cause it to keep blowing?

Greg Benes

Asked by Feb 23, 2015 at 05:36 PM about the 1987 GMC Jimmy 2 Dr STD 4WD SUV

Question type: Maintenance & Repair

350 motor 4x4

4 Answers

Bob Beaman

Physically blown apart to cause a leak or electrically blown?

Greg Benes

It starts spraying oil out of the top of it where the wires connect to it.

1 out of 1 people think this is helpful.
Greg Benes

So to cause a leak.

1 out of 1 people think this is helpful.
Bob Beaman

Genuine GM part or aftermarket part? If you have been using aftermarket parts try a genuine GM part if available. It is also possible that the oil pump pressure relief is stuck causing too much pressure, blowing the sender. Does the oil pressure look normal when the sender is not leaking?

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