How do you prime the oil pump? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-13-2006, 11:42 PM   #11
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Default Re: Thanks for all the feedback

Quote:
Originally Posted by LuxuriesPremier
3. What happens if u start up a car with an unprimed oil pump but plenty of oil in the system?
Quote:
Originally Posted by jr's3800
I have in the past pulled the timming cover from a 3800 and never had to reprimbe an oil pump... Put it all back together and hit the key and poof, 60psi right off the bat...
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Old 06-14-2006, 09:09 AM   #12
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Let'* add.

You "should" pack the pump whenever servicing the front cover.

As to why the mechanic says that the oil pump needs to be primed is very suspect to say the least. Most mechanics crank it up and pressure starts almost immediately. .... Sooooo why does this guy say it needs to be primed?
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Old 06-14-2006, 11:06 AM   #13
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Quote:
Originally Posted by BillBoost37
Let'* add.

You "should" pack the pump whenever servicing the front cover.

As to why the mechanic says that the oil pump needs to be primed is very suspect to say the least. Most mechanics crank it up and pressure starts almost immediately. .... Sooooo why does this guy say it needs to be primed?
This would tell me either he started it and had 0 psi of oil pressure and then shut it down... Or could the front cover be off the car sitting on the workbench with the oil pump cover and gears out for an oil pump rebuild?

I get the feeling the first lays true.... And having 0 psi oil pressure for any length of time while the engine is running is bad

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Old 06-14-2006, 11:19 AM   #14
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Service manual says pack pump when pulled apart for service..............

that will keep it lubed it and prime it till she sees oil
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Old 06-14-2006, 11:22 AM   #15
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Quote:
Originally Posted by daman
Service manual says pack pump when pulled apart for service..............

that will keep it lubed it and prime it till she sees oil
You are talking about when the oil pump is pulled apart and inspected / rebuilt correct?

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Old 06-14-2006, 11:31 AM   #16
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by daman
Service manual says pack pump when pulled apart for service..............

that will keep it lubed it and prime it till she sees oil
You are talking about when the oil pump is pulled apart and inspected / rebuilt correct?
Yes........
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Old 06-14-2006, 12:15 PM   #17
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I would be very hesitant of buying the car
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Old 06-14-2006, 12:19 PM   #18
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Quote:
Originally Posted by Cheetah
I would be very hesitant of buying the car
i would too,,unless they showed me everything was working properly

and i went over it with a fine tooth comb........
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