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Joined: Nov 2003
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Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2003
Posts: 56 |
could some of you people educate a dummy?
when i bought this 28 coupe, i was told not to overtighten the waterpump. it seems like everytime i drive it, it loosens up less than fingertight and of course leaks. is this normal or am i just too scared to put an extra quarter turn on it?
1928 NATONAL AB COUPE
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Joined: Dec 2001
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Hi huffneff, Tighten the brass nut "snugly", then loosen the fan belt, grab the fan and make sure it turns, but not hard. If you can turn the fan by hand then it is not too tight. If you have "run out of threads" on the brass nut you will have to rebuild the pump. After a period of time the packing will cut a groove in the shaft and it will be very difficult to stop the leak. Also, be sure to lubricate the bushing on the front of the water pump. That is the weak point on the 1928 water pump. Kits to rebuild your pump are readily available. 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Nov 2003
Posts: 56
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2003
Posts: 56 |
okay, good
seems like i have plenty of thread left so im probably using snug as too loose. ill try the blade turning as you suggested. i didnt know how to judge it before
thanks, mike
1928 NATONAL AB COUPE
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Joined: Jan 2003
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ChatMaster - 2,000
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ChatMaster - 2,000
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ray, would this information apply to the '30 pumps, as well?..  epi
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Joined: Dec 2001
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
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Hi Chevrolet, Sure, except for the front bushing. It is possible to tighten the brass nut so tight the fan will not turn. That is the reason to loosen the belt and check it.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Nov 2001
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ChatMaster - 15,000
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ChatMaster - 15,000
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How Sweet the roar of a Chevy four!
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Joined: Nov 2001
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ChatMaster - 15,000
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ChatMaster - 15,000
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How Sweet the roar of a Chevy four!
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Jan 2003
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ChatMaster - 2,000
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on the '30, is the brass nut & the bushing one in the same?..can't tell, as my water pump has been spray painted grey... sounds like I'd want to tighten the pump bushing just enough to prevent water and air leakage, and the belt just enough to spin it?.. epi
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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