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Old 06-16-2019, 09:29 PM   #1 (permalink)
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Default Oil Pump question

Random question for you all,

If I am replacing the oil pump gears with a set of billet gears is there any reason/value in replacing the pump unit with a new one? In other words, if the gears are replaced, what are the other potential points of failure on the pump that I should be concerned with?
Just looking to justify the $240 on a new pump if I'm going to tear it apart and replace the gears right out of the box.
Thoughts?
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Old 06-16-2019, 09:37 PM   #2 (permalink)
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Default Re: Oil Pump question

You need to inspect the case for wear and scratches. The gears tend to wear on the back plate. Otherwise follow the measurements in the service manual and if it checks out it can be re-used.
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Old 06-16-2019, 09:39 PM   #3 (permalink)
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Default Re: Oil Pump question

thx. Its a pump that has been used about 50 miles, but has been on the motor sitting in one spot for about 10 years. Same as the water pump.
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Old 06-17-2019, 04:45 AM   #4 (permalink)
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Default Re: Oil Pump question

Just crack open the oil pump back plate and measure the areas with a feeler gauge. I always had to use an impact screwdriver to get the back case off. Anyway, here ya go!

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Old 06-17-2019, 08:12 AM   #5 (permalink)
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Default Re: Oil Pump question

Thx! Appreciate the TSB pic.
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