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#1 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Water pump install
Putting on a new water pump and alternator this weekend. Getting ready for some e-fans.
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Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#2 |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Water pumps are pretty easy to install.
Drain the radiator, remove the fan, alternator (and brackets), PS (and brackets), then remove the lower radiator hose and upper radiator hose if you choose to do so. After that simply unbolt the water pump. Now would also be a good time to make sure your hoses, thremostat, and belts are in good shape...it is alot easier to replace those now that everything is apart. Also, if you are a detail freak like me, it is also a good time to clean up the engine and put some new paint on it if you like. That is pretty much it (I think), installing it is just as easy, just be sure to get new gaskets and use silicone or gasket sealer so you don't get any leaks.
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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#3 |
Insert Witty Text Here
Join Date: Oct 2002
Location: San Antonio, TX
Posts: 3,415
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Any time I do a water pump, I replace the timing chain and gears unless I know for sure that they are in good shape. It is easy to do when the water pump is off, and the parts are cheap.
Slonaker |
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#4 |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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slonaker has a good idea. but i would just pull the timing cover and check the chain and gears out. getting the actual waterpump off and back on is pretty easy.
what electric fans are you gettin? |
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#5 | |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Thanks guys. Thought it would be easy, just checkin'.
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Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#6 | |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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Quote:
![]() i have them too ![]() |
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#7 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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I didn't do the water pump yet. I put on a 94 amp alt. though.
I was going to get the NAPA hi-perforamance water pump for $89, but I just checked out Stewart water pumps and there stage 1 pumps are cheaper, $74. After s/h and a couple of tubes of sealant the total to my door is $90. I'm glad I waited on the NAPA pump!
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Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#8 | |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Quote:
![]() Seriously, Summit has perma-cool hi performance fans for $84. They flow a ton more CFM and look better too.. From there site.. 19114 14" High Performance Electric Fan Mounting Area Req'd: 14" x 14" x 3-3/4" Est. CFM: 2950 Motor RPM:1800 AMP Draw: 9.5 Fuse Size: 30 AMP ![]() ![]()
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Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#9 |
You get what you pay for
![]() Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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As I have stated many times, beware of the manufacturers rating on their fans. A electric fan will pull around 100 cfm for every 1 amp. No way will you get 2950 cfm from 9.5 amps.
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Mike 1985 Chevy C-10 |
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#10 |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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chop chop on your fingers man
![]() my electric fans cool my engine very nicely ![]() |
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#11 |
Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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lol, when I get closer to buying them, I'll check back with ya and see how yours are still running. If they haven't acted up then I might try'em out.
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Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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#12 |
Registered User
Join Date: Sep 2003
Location: Lewisville, NC
Posts: 1,836
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I have 1 16" ProForm fan and 1 10" summit high performance fan on mine and it keeps it cool off-road so far, although it will get warm sometimes still under heavy loads like slow steep hills. On the street I don't usually ever need them unless I get stuck in traffic.
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1985 Scottsdale Shortbed 4x4 Stout 350 with some "upgrades"-700r4-33x12.5" Mud Tires, Warn 8274-50 winch. 2005 Chevrolet Colorado Regular Cab 2wd 4-banger, 5 speed, Street Pack with 3.73 axle. |
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#13 |
I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,775
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I also have the same fans as Dave and Eric. I love mine and only problem I've had was with the temp control. It came on when it got too hot outside even when the truck was off
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1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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