replacing oilpump in 94 gmc safari 4.2L

how difficult is this to do? Is the pump internal or external? any info would help

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Dman1 wrote:

------------------------------------------------------- The pump is internal -- at least on the 4.3 V6. You need to remove the oil pan.
HTH, Mark
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"Mark Sparge" wrote:

Yes the hardest part is removing the oil pan and have the chassis clearance to do so. Once the pan is off, it is a 5 minute job to swap out the pump.
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