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Old 22-04-17, 00:33
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Richard Farrant Richard Farrant is offline
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Quote:
Originally Posted by pauldavies View Post
I will send my spring to a company in Brisbane on Monday as they reckon they can make a stainless replacement, not sure the new pressure of this spring will have any adverse effect but my reasoning would be it will greatly improve the seal at this point.
Hi Paul,
The only thing that lifts the sleeve off its seat against the spring is the screwing down of the radiator cap, to allow steam to escape, so spring rate would not appear to be too critical.

regards, Richard
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Last edited by Richard Farrant; 22-04-17 at 00:48.
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Old 22-04-17, 06:53
pauldavies pauldavies is offline
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Thanks Richard and further to the enquiry on the fan-belt adjustment there isn't any I can see, I took it off when I did the cylinder head and just couldn't remember seeing adjustment so will have to get another belt just in case. The thermostat I imagine will be the same as the champ one? I will check it out as they are still available and the only thing I didn't mention was the cap was down tight.
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Paul
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Old 22-04-17, 08:26
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That's the right water pump for a Morris 4 cylinder engine , you can see that there is a adjustment on it.
The adjustment is done by getting the two sides of the pump pulley closer together so the V belt is running higher on the pulley.
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Old 22-04-17, 09:47
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Richard Farrant Richard Farrant is offline
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Hi Paul
As you were not aware of the adjuster pulley on the water pump then it might well be that the belt is not tensioned enough, as one of my suggestions earlier.

Regards Richard
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Last edited by Richard Farrant; 22-04-17 at 10:01.
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Old 22-04-17, 23:48
pauldavies pauldavies is offline
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Thanks for the info Guy and yes I will have a closer look but the belt is nice and tight with no slippage.
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Old 23-04-17, 06:10
pauldavies pauldavies is offline
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Had a look at the adjuster assembly and I have 15mm give in the belt which is about right, to have any less would put pressure on the bearings.
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Old 23-04-17, 07:11
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Quote:
Originally Posted by pauldavies View Post
Had a look at the adjuster assembly and I have 15mm give in the belt which is about right, to have any less would put pressure on the bearings.
Hi Paul
In my experience I would say the belt is too narrow and not driving on the flanks but on its inner face and it will be prone to slipping. The outside of the belt should be nearly flush with edge of pulley. Take a photo of crank pulley so we can see how belt sits. I think this is what is causing your problem, belt slip.
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Old 24-04-17, 08:29
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Paul, have you checked for a head gasket leak or cracks as a possibility for blowing the water out?
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