990 selectamatic water pump

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poppydog
Posts: 45
Joined: Fri Feb 07, 2014 6:56 am
Location: New Zealand

990 selectamatic water pump

Post by poppydog » Mon Feb 26, 2018 1:40 am

I am replacing the water pump on my 990 AD4 selectamatic engine (1966 model) with a new one.
Can anyone tell me the torqe setting for the bolts please?
Anything I should be aware of when replacing it?

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cobbadog
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Joined: Tue Oct 11, 2011 6:18 am
Location: beautiful Coopernook NSW. near Taree. NSW. Australia

Re: 990 selectamatic water pump

Post by cobbadog » Mon Feb 26, 2018 5:13 am

If the correct torque setting is unknown a simple way of getting close to the right setting is to look up the size and thread of your bolts and find them on a torque chart in Google. I have done this for some bolts on different projects and went ahead with those settings and found out later that they were correct. Hope that helps. Maybe worth replacing the fan belt while your in that area for the cost of one.

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bedwards1966
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Location: North Yorkshire

Re: 990 selectamatic water pump

Post by bedwards1966 » Sun Mar 04, 2018 1:01 am

For things like that when there's no torque figure 'spanner tight' is generally appropriate.
That means take the appropriate sized spanner and tighten with a sensible amount of force, rather than using a big ratchet which may give too much leverage.
Really it's about feel and experience, but using a spanner should get you close. It's only got to be tight enough to seal and stay in place but not tight enough to strip threads or shear a bolts.

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poppydog
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Location: New Zealand

Re: 990 selectamatic water pump

Post by poppydog » Sun Mar 04, 2018 3:27 am

Thanks guys

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