05 GMC Safari Van - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 07-03-2006, 07:22 PM Thread Starter
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Cool 05 GMC Safari Van

oil pressure gage does not show oil pressure unless y0u bring rpms up have replaced sensor have replaced dash cluster idles 0-psi ---- bring rpms up pressure will go up to 40 to50 psi, no eng noise running fine what do you guys think V-6 4.3 ?????
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post #2 of 3 (permalink) Old 07-03-2006, 09:54 PM Thread Starter
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will it looks like at 40175 mile this 4.3 has a bad pump
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post #3 of 3 (permalink) Old 04-24-2016, 05:47 AM
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The 4.3 engines and first couple years of the 6.0 were known for oil pumps. dont cheap out, replace it with a MELLING oil pump. Also, check the timing set while you have the front cover off.
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