M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

water pump replacement

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Old 10-12-2019 | 09:42 PM
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audi10021075's Avatar
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Joined: Jan 2013
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From: Baltimore, MD
ML 350
water pump replacement

It's 2008 Ml 350 with 191K miles.
I replaced water pump today and since I was draining the radiator, might as well replace several other related items.
Lower and upper radiator hoses, oil cooler and oil filter housing gaskets. Since I was taking off oil filter housing, I didn't have to mess with power steering reservoir.
Took some photos and job was pretty straight forward except the mess it made with coolant on the garage floor.


Upper hose off

Thermostat housing and oil filter housing off

Oil filter housing and cooler

Water pump off
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chassis (10-13-2019)
Old 10-13-2019 | 09:17 AM
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2017 GLE350 4MATIC
Well done. How is the engine running? How did the coolant fill and bleed procedure go?
Old 10-13-2019 | 10:24 PM
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audi10021075's Avatar
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Joined: Jan 2013
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From: Baltimore, MD
ML 350
Water pump was replaced due to bad bearing(lots of noise).
Engine runs quieter now, bleeding of coolant made lot of mess on the floor. As coolant was heating up and burping air, drips of coolant overflowed.
It took about 9 to 10 qts of coolant, including mess on the floor.

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