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#1
12-03-2015, 07:27 PM
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Took off water pump...what else to replace since im in there?
I will be re-using the thermostat and radiator hoses. I was thinking about: -water pump and gaskets -fan clutch -valve cover gaskets -valley pan (maybe)? Any other suggestions? Thanks 
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'02 E53 4.4i Topaz Blue '01 E38 Black '91 Prelude 
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#3
12-03-2015, 10:13 PM
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and be careful of the large adn small metal coolant lines that run to back of engine. Do not dislodge them. use plenty of lube on the o-rings of the new coolant pump.
maybe throw a can of engine degreaser in there, so you can clean up the area dn then know what you're working with for leaks in the future...
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S
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#4
12-03-2015, 11:25 PM
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I would have replaced the hoses you had to remove to replace the pump.
Yeah, fan clutch too. Not sure if the water pump pulley is separate and made of plastic like on the M54, I'd look at that carefully for cracks. I'd do the valve cover gaskets as well while in there.
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04 X5 3.0i auto 03 X5 4.6is
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#5
12-04-2015, 02:14 AM
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Check the expansion tank for signs of leakage or brittle plastic.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#6
12-04-2015, 03:27 PM
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On a thirteen year old vehicle, I'd be replacing every plastic and rubber component of the cooling system if they hadn't been done before. Go ahead and do the thermostat too - it's cheap insurance. Examine all your vacuum lines and fittings as well.
2002 X5 3.0 291,600 miles 2014 428i 13,000 miles 2004 325i sold at 123,600 miles 2001 525i sold at 66,000 miles
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#7
12-04-2015, 03:35 PM
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I re-used those two metal coolant pipes and had leaks a short while later when I did mine. You probably have to remove the intake to get access to the whole pipe, but I would suggest replacing those now. Replacing them on an M62 is not nearly as bad a job as the N62. Otherwise, you will have to remove your new water pump if/when they leak (as i did...). My pipes looked better than yours, but the metal was etched where the o-rings seal.
Definitely replace all the hoses you removed, plastic expansion tank, etc.
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David.X5 2001 X5 4.4i Sport SOLD! at 160k miles
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#8
12-04-2015, 03:37 PM
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P.S. I wouldn't spray degreaser now - the runoff will get into the cooling jacket where the water pump is open and contaminate your coolant. If you do want to degrease, bolt the old pump back on first.
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David.X5 2001 X5 4.4i Sport SOLD! at 160k miles
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#9
12-04-2015, 05:33 PM
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Check the belts and belt tensioners and radiator. If original might want to replace them.
__________________
 X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
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