| Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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22nd August 2014, 11:10
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#1
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Regular Poster
Join Date: Dec 2008
Location: shoreham
Posts: 301
Car(s): Dead: mk1 vtr, mk2 vtr, mk1 vts
Sold: 350z, mx5
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Water pump torque
Hi guys,
Changing the cam belt/water pump on my 1998 vts today. Just wondering what to torque the water pump bolts up to as I'm unsure if i have the small or large water pump
Guessing its the small one as the pulley has 19 teeth and seen some pumps with 20. So torquing bolts to 30Nm sound about right?
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22nd August 2014, 11:11
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#2
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Established Member
Join Date: Jan 2008
Location: Scotland
Posts: 1,764
Car(s): Because racecar
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280Nm......
check the haynes
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22nd August 2014, 11:18
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#3
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Regular Poster
Join Date: Dec 2008
Location: shoreham
Posts: 301
Car(s): Dead: mk1 vtr, mk2 vtr, mk1 vts
Sold: 350z, mx5
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According to manual its either 30 or 65... Nice try 
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22nd August 2014, 12:41
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#4
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Saxperience Post Whore
Join Date: Dec 2002
Location: United Kingdom
Posts: 8,390
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Tight's tight, stripped's fucked. With those bolts youre just holding the pump in place, not setting bearing preload or anything so youll be fine with a common sense "yeah thats tight enough"
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22nd August 2014, 12:56
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#5
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Saxperience Post Whore
Join Date: Apr 2011
Posts: 9,100
Car(s): Amazon green VTR 16v, Inferno RS clio 182
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I'm sure its something like 23nm if I remember right but then again the last one I did it just did it up to "tight" by hand.
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22nd August 2014, 13:26
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#6
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Aye. Just do it to "tight". Doesn't need to be set to anything special. It's not load bearing etc.
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22nd August 2014, 13:59
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#7
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Saxperience Post Whore
Join Date: Apr 2011
Posts: 9,100
Car(s): Amazon green VTR 16v, Inferno RS clio 182
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its probably to stop the body of the pump turning when the belt is in. As we all know considering how badly these things fit in the housing the bolts are barely needed after a year or two! ha
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22nd August 2014, 14:53
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#8
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Corrosion just holds them in anyway doesn't it? 
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22nd August 2014, 14:57
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#9
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Regular Poster
Join Date: Dec 2008
Location: shoreham
Posts: 301
Car(s): Dead: mk1 vtr, mk2 vtr, mk1 vts
Sold: 350z, mx5
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Cheers guys. I thought 'tight' would be fine was just double checking since this is the first time I've done anything like this
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