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  #1  
Old 09-11-19, 20:45
Tom Millward Tom Millward is offline
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Default Water pump rebuild kits

Having just got my Carrier radiator rebuilt (on my first run with the engine covers off it practically gave my passengers a shower!) and pulled the engine out to change the gear linkage, I've noticed that the water pumps are leaking. Whilst the engine is out it would seem the best time to sort them out.

Does anyone know of a source, ideally in the UK, for repair kits for the correct twin pulley water pumps? O'Neil vintage ford stock repair kits, but don't have the twin pulley truck kits, which I presume is needed for the Carrier.

Many thanks,

Tom
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  #2  
Old 09-11-19, 23:30
rob love rob love is offline
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Mac's had those kits forever, but don't list them anymore. Personally, when the time comes that I need another pair, I will be buying a pair of the newer single pulley units that are done in the modern style, and making new pulleys for them.
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  #3  
Old 10-11-19, 14:03
Tom Millward Tom Millward is offline
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Thanks Rob, how would you go about converting the newer type of pump? I take it the pulleys arenít interchangeable?
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1944 Willys MB (OP VARSITY veteran) M5535401
10 cwt trailer
1942 Royal Enfield WD/CO/B
1943 James ML
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  #4  
Old 10-11-19, 15:40
Paul Singleton Paul Singleton is offline
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Default Newer Ford water pumps

A good friend has a 1940 Ford sedan with a 221 engine. He purchased the new reproduction water pumps that use a more modern seal and bearing instead of the bronze bushing in the stock pumps. I did note that the shaft size in the original pumps are 1/2Ē and the new pumps appear to be 5/8Ē. You could probably bore the original double pulley to fit the reproduction pump.
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  #5  
Old 10-11-19, 16:22
Tom Millward Tom Millward is offline
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Thanks Paul, thatís very helpful information. I think Iíll get the pumps off the engine and start measuring up.
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1942 Mk1* Universal Carrier T53664
1944 Willys MB (OP VARSITY veteran) M5535401
10 cwt trailer
1942 Royal Enfield WD/CO/B
1943 James ML
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  #6  
Old 11-11-19, 19:23
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Lynn Eades Lynn Eades is offline
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FYI guys the riveted carrier uses a double sheave water pump that has a sealed bearing in it. In other words, not a bushed pump.
I would like to know what the bearing number is if someone knows.
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  #7  
Old 11-11-19, 19:59
rob love rob love is offline
carrier mech
 
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I actually have two of the Mac's rebuild kits out in the shed somewhere. I'll check them for numbers if I can find them.
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  #8  
Old 12-11-19, 00:22
Tom Millward Tom Millward is offline
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I spoke to Belcher Engineering in the UK today, and unfortunately the repair kits have been on back order for over a year, so no chance of getting a kit anytime soon. They said that they can rebuild the pumps by adapting Jeep rebuild kits, or by adapting one of the newer design of pumps. The latter is likely to be over £100 per pump.

Has anyone had previous experience using Jeep rebuild kits?
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  #9  
Old 12-11-19, 01:19
rob love rob love is offline
carrier mech
 
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At work we made the mistake of sending a pair of carrier pumps in for rebuild without asking for an estimate. They came back at over $700 for the pair. £100 each does not seem that bad.
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  #10  
Old 12-11-19, 06:02
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Lynn Eades Lynn Eades is offline
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I believe the original seals with the rubber, carbon disc and spring were the same as a Jeep. The Jeep water pump bearing is somewhat larger than the V8 bearing. The part numbers of the two bearings would help. Anyone?
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Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.II. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
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  #11  
Old 12-11-19, 06:41
ozm29c ozm29c is offline
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I have used these bearings (see attached PDF) for Jeeps, Amphib Jeeps and my weasel. The part number is FSP61 and they can be machined to size. In the case of both Jeeps and my weasel, I have bored the water pump housing out to accept a 316 Stainless Steel Collar for the carbon seal.
Attached Thumbnails
Water pump Resize 2.jpg   Water pumps Resize 3.jpg  
Attached Files
File Type: pdf Water_pump_integral_shaft_bearings.pdf (264.3 KB, 14 views)
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  #12  
Old 12-11-19, 12:16
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Mike Kelly Mike Kelly is offline
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Default collar

That's a neat mod with the SS collar. Beware of the poor quality universal water pump bearings being sold by various vendors, they only last a short time.
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Last edited by Mike Kelly; 12-11-19 at 12:22.
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  #13  
Old 12-11-19, 17:10
Petr Brezina Petr Brezina is offline
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Tom, I have also bought new pair of pumps for my carrier instead of rebuilding the old ones. Much better and easier solution in my opinion.
But Im running single belt/pulleys on it though.
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  #14  
Old 12-11-19, 20:45
Mike Gurr Mike Gurr is offline
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Hi Tom,
I went through the same issues with my pumps. I am currently running with new single pulley pumps. However having heard of the Jeep pump idea I bought a pair of rebuild kits which are currently with my old pumps at a specialist who will be trying to make the conversion. I will update you when / if I get them back.
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  #15  
Old Today, 12:02
Tom Millward Tom Millward is offline
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Thanks Petr & Mike, does the single pulley version line up ok with the crank pulley and Dynamo pulley? Do you know if the pulleys can be swapped out, or is the shaft a different length?

Where did you get your new pumps from?
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1942 Mk1* Universal Carrier T53664
1944 Willys MB (OP VARSITY veteran) M5535401
10 cwt trailer
1942 Royal Enfield WD/CO/B
1943 James ML

Last edited by Tom Millward; Today at 15:22.
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