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Old 11-03-2018, 12:23 AM   #1
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8.1 Water Pump Poll: How Long Did Your Original Water Pump Last?

I'll Start we own a 2005 W24 with 8.1 Vortec and the original water pump began leaking at 44,000 miles June of 2016 I replaced it with a new Acdelco # 252-783
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Old 11-03-2018, 06:26 AM   #2
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2003 coachmen w22 - 45,000 on original - no problems

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Old 11-03-2018, 09:22 AM   #3
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Probably going to jinx us but our 03 is original. Not many miles on it though, I think under 18,000.
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Old 11-03-2018, 01:03 PM   #4
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08 Winne Destination UFO Chassis:

Original 7,000 miles

Replacement 68,000 and still going
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Old 11-03-2018, 01:15 PM   #5
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106,000 km's and still original.
Happy Glamping.
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Old 11-03-2018, 01:15 PM   #6
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I'm at 14 years and 90,000 miles, no problem with the water pump.
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Old 11-03-2018, 01:25 PM   #7
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2 years ago I traded off my 2003 8.1 with 137,000 miles and had original water pump.
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Old 11-03-2018, 07:17 PM   #8
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8.1 Water Pump Poll: How Long Did Your Original Water Pump Last?

Original lasted until this August at 71K miles. Replaced with same ACDelco #252-783, which leaked within a few hundred miles. Replaced with same part with fingers crossed as we haven’t traveled with it yet. I bought the first pump from RockAuto who wouldn’t warranty the pump because ACDelco doesn’t list a pump for our application. I bought the second one from Amazon.

I have kept my original pump in case I ever need to rebuild it.

Kevin, hope you aren’t having trouble with your pump again.
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Old 11-03-2018, 11:36 PM   #9
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aren't these just the usual 8100 pump?
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Old 11-04-2018, 12:09 AM   #10
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There is more than one water pump for the 8100, the Workhorse chassis uses the heavy duty one. ( I think there are at least 3 different pumps with differing duty ratings)
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Old 11-04-2018, 12:58 AM   #11
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Quote:
Originally Posted by vettenuts View Post
Original lasted until this August at 71K miles. Replaced with same ACDelco #252-783, which leaked within a few hundred miles. Replaced with same part with fingers crossed as we haven’t traveled with it yet. I bought the first pump from RockAuto who wouldn’t warranty the pump because ACDelco doesn’t list a pump for our application. I bought the second one from Amazon.

I have kept my original pump in case I ever need to rebuild it.

Kevin, hope you aren’t having trouble with your pump again.

No problems with my pump the reason I asked is that a fellow RV r watched my replacement video and was asking me if he should go a head and replace his original water pump seeing he has 88000 miles on his 2005 Allegro. I wasn't sure on how I should advise him, I will point him to this thread.
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Old 11-04-2018, 04:02 AM   #12
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i've had problems with the 5 year coolant eating rubber gaskets. So I switched to the green basic stuff. 140k and 20 years on water pump. change it about every 5 years or so.
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Old 11-04-2018, 05:09 AM   #13
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Quote:
Originally Posted by ktoutoor View Post
No problems with my pump the reason I asked is that a fellow RV r watched my replacement video and was asking me if he should go a head and replace his original water pump seeing he has 88000 miles on his 2005 Allegro. I wasn't sure on how I should advise him, I will point him to this thread.


I hadn’t planned on changing mine this year, but I knew it was coming and was planning on changing prior to our trips out west even if it wasn’t leaking. I will do the same with the harmonic balancer, looks good now but I want to change it before heading west.
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Old 11-04-2018, 07:32 AM   #14
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i've had problems with the 5 year coolant eating rubber gaskets. So I switched to the green basic stuff. 140k and 20 years on water pump. change it about every 5 years or so.
.

I can't count the number of these gaskets I have changed.Usually a customer comes in and says so and so found his water pump was leaking. I have only changed the pump on a couple Chevrolet LS type engines because the pump itself was bad.
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