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

Water Pump Mounting Question ????

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Old Dec 18, 2016 | 04:13 PM
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MaSTeRofDZaSTeR's Avatar
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Default Water Pump Mounting Question ????

My water pump gasket it seems(where it meets the block) dumped on me yesterday on my '90 L98(Luckily at the house) with a steady leak. So I'm just putting in a new one considering all the work involved, and I did something stupid and didn't notate the positions of the bolts and studs to mount them when I removed the pump. Looks like there are two bolts and two studs(bolt threads with a stud partway through it). I could have sworn from memory that the two studs were on the drivers side of the mount, but there was just so much to remove I wasn't thinking and when I look in my Chilton's now for 1990 VIN 8, it's showing what looks like the bolts on that side and the studs on the other(studs on passenger's side)?. Does anyone have any personal pics of theirs or knowledge of positions of the mounting order for the pump on a 1990? Or the service manual diagram for it? TiA.
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Old Dec 18, 2016 | 08:02 PM
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Originally Posted by MaSTeRofDZaSTeR
My water pump gasket it seems(where it meets the block) dumped on me yesterday on my '90 L98(Luckily at the house) with a steady leak. So I'm just putting in a new one considering all the work involved, and I did something stupid and didn't notate the positions of the bolts and studs to mount them when I removed the pump. Looks like there are two bolts and two studs(bolt threads with a stud partway through it). I could have sworn from memory that the two studs were on the drivers side of the mount, but there was just so much to remove I wasn't thinking and when I look in my Chilton's now for 1990 VIN 8, it's showing what looks like the bolts on that side and the studs on the other(studs on passenger's side)?. Does anyone have any personal pics of theirs or knowledge of positions of the mounting order for the pump on a 1990? Or the service manual diagram for it? TiA.
Studs are on passenger side on my 1989. See attached:
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Last edited by NavAir; Dec 18, 2016 at 09:44 PM. Reason: Specificity
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Old Dec 18, 2016 | 08:14 PM
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Originally Posted by NavAir
Studs are on passenger side. See attached:
studs are passenger side for mount of either the ac bracket or the air pump solenoid bracket. can't remember which.
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Old Dec 18, 2016 | 10:45 PM
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Does that engine need sealant on the bolts?
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Old Dec 18, 2016 | 10:51 PM
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Originally Posted by antfarmer2
Does that engine need sealant on the bolts?
Yes, on the bolts as the threaded holes penetrate the coolant gallery.
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