C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Water pump replacement parts list??

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Old 09-04-2017, 11:15 AM
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yd328
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Default Water pump replacement parts list??

The water pump has started to leak. While I am there I am going to replace the timing cover seals. I hope to do it in a day so I am ordering the parts I will need. The belt, tensioner, idler, hoses, plug wires, and thermostat, coolant flushed and knocks have been done. It's a 95 w/70k, mn6. Any thoughts?

Here's what I am thinking:
Water pump
Water pump coupler (probably grooved)
Timing seal set
Opti cap and rotor

Thanks Gary
Old 09-04-2017, 01:51 PM
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Drifter36
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Originally Posted by yd328
The water pump has started to leak. While I am there I am going to replace the timing cover seals. I hope to do it in a day so I am ordering the parts I will need. The belt, tensioner, idler, hoses, plug wires, and thermostat, coolant flushed and knocks have been done. It's a 95 w/70k, mn6. Any thoughts?

Here's what I am thinking:
Water pump
Water pump coupler (probably grooved)
Timing seal set
Opti cap and rotor

Thanks Gary
This tool will help you install the water pump seal correctly.

http://www.ebay.com/itm/N1-J-39089-T...EAAOSwPhdVIUmA
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Old 09-04-2017, 02:37 PM
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81c3
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Plugs and plug wires... obviously, you dont HAVE to do these, but while youre in there, might as well... Not sure what your coolant hoses look like as those may be worth a check too. I think LT1 water pumps come with the T-stat and housing also IIRC

Last edited by 81c3; 09-04-2017 at 02:37 PM.
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Old 09-04-2017, 05:41 PM
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johno504
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water pump coupler has oring seals at each end, they are NOT the same part number.
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