WaterPump Housing Bolt

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Apr 4, 2007 | 05:37 PM

Druken

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Nekurd

Joined: Feb 2006

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From: California

WaterPump Housing Bolt

Can someone tell me the bolt size/thread/etc for the 3 water pump housing bolts for the s5 n/a? Would like to buy them from a local hardware store. Thanks

Apr 5, 2007 | 07:41 PM

pistones

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From: nyc

the water pump bolts are dual thread pitch. the engine side might be 8mmx 1.0 and the nut side where you tighten down is definitely 8mmx 1.25. i just had to chase those threads today.

Apr 6, 2007 | 10:47 AM

Druken

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Nekurd

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From: California

Im talking about the 3 bolts for the water pump housing, the neck that covers the t.stat. I dont know what size those are.

Apr 6, 2007 | 10:57 AM

Aaron Cake

Engine, Not Motor

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From: London, Ontario, Canada

Check the thread pitch topic in the archives?

https://www.rx7club.com/forum/showthread.php?t=367392

The S5 uses three bolts, the S4 uses two longish (2") M8 x 1.25