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Topic: Water Pump, thanks FOT (Read 857 times) previous topic - next topic

Water Pump, thanks FOT

Thanks to FOT, a quick job getting a new water (coolant) pump installed within a few days

I had a small leak of coolant, the exact source not known as I began the search.  Over a couple of weeks of intermittent flow/drip, some puddles, we found it to be from where the water pump attaches to the engine.  I think it explains the loss of small amounts of coolant on several recent trips.

It was speculated to be an o-ring where the pump attaches to the engine and upon removal of the pump that was confirmed.

On the Forum I think it was Pierce suggested to just replace it, cannot take a chance.  I proposed that to FOT and they were reluctant given the drips had quit, again.  But I figured the labor the same to replace the ring or go with a new pump so as long as we had to take it all apart, let's put in a pump.

Alton said it worked out well to replace it.  It is a major task though, 6 hours.  Glad there are no longer coolant puddles and worry might damage the engine.

Thanks to FOT for getting us fixed up in short order.
Mike
2001 U320 4010 Build 5878 (Gus)
Wrangle Unlimited Toad
Nacogdoches

Re: Water Pump, thanks FOT

Reply #1 –
Quote from: Michael & Jackie –
It is a major task though, 6 hours.
6 HOURS!  To R&R a water pump?  The big engine in your coach must be arranged really different than our little C8.3L.  I DO admit that I have not replaced our (original) water pump (yet), but It is sitting pretty much completely exposed right there in the front of the engine.  If it took more than a hour to replace our pump I would be really shocked.  See below:

C 8.3 Coolant Pump Part #
1993 U280 SE 40' WTBI, Build: 4359
C8.3 300hp, 6-Speed, Exhaust Brake
960 watts on the roof (6 x 160)
Sorento (or BOLT) on a Kar Kaddy SS
"Nature abhors a vacuum"

Re: Water Pump, thanks FOT

Reply #2 –
ISM or M-11 water pumps are gear driven. I will look at mine tomorrow and see how long I think it would take me to change it.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Water Pump, thanks FOT

Reply #3 –
Quote from: Chuck & Jeannie –
6 HOURS!  To R&R a water pump?  The big engine in your coach must be arranged really different than our little C8.3L.  I DO admit that I have not replaced our (original) water pump (yet), but It is sitting pretty much completely exposed right there in the front of the engine.  If it took more than a hour to replace our pump I would be really shocked.  See below:

C 8.3 Coolant Pump Part #

^.^d  Yep....... must be different, I changed ours last year for the same reason, less than $100 for the pump and about 30 minutes to install. Easiest one that I have ever changed, no radiator to deal with.  ;D
 
Justin & Cathy Byrd
1995 U280 "Old Faithful"
36' Build #4673
C8.3 Cummins
Allison MD3060R 6 speed - retarder
Powertech 10KW  4cyl Kubota

Re: Water Pump, thanks FOT

Reply #4 –
On the M-11 it's location next to the frame rail that is the killer. If the engine was in a class 8 truck you could get to it with no problem, tilt the hood and you can walk right up to it. On these coaches you have to work it mostly from under the bottom. Lots harder to get to than on the 8.3 engines.

Did they also put new "O" rings in the oil cooler while they were in the area along with replacing the thermostat and coolant filter?

Mike
Pamela & Mike 97 U 320

"It's not what happens to you, but how you react to it that matters."

Re: Water Pump, thanks FOT

Reply #5 –
Include had take off alternator and brackets, add antifreeze.  New parts too plus the boot

Maybe I felt too good about this.  But one shop would not try it
Mike
2001 U320 4010 Build 5878 (Gus)
Wrangle Unlimited Toad
Nacogdoches

Re: Water Pump, thanks FOT

Reply #6 –
I just checked mine, until I have to change it no guess on time. Tight area, much to remove. Definitely would do oil cooler o-rings at that point. Almost all the labor would already be done. Hope I don't have to find out the amount of time it takes to do it.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Water Pump, thanks FOT

Reply #7 –
Cman,

I left out the time part in my above post. The 6/8 hours is about right for all that has to be done if you stay at it.  At this age with all the aches and pains it will take most of a couple of days for me.  This is one job that you don't want to do setting in a campground, pick nick area, or along the side of the road.

Quote from: Michael & Jackie –
Maybe I felt too good about this.  But one shop would not try it

@ Mike I think they did you more than fair with the time for all that has to be done.

Mike
Pamela & Mike 97 U 320

"It's not what happens to you, but how you react to it that matters."

Re: Water Pump, thanks FOT

Reply #8 –
Thanks Mike, I felt good until someone said it a quick job, I paid too much.  MOT sent me to FOT as they had not done one of these but did see the leak, said needed be done, not ignore.

FOT was great...worked it in, changed it though they thought I might live with it since it had quit for their trial drive.  i listened I think it was Pierce, get it done, not wait til on the road.  And I drove again for FOT and they could see the leak, up in the engine area...not onto the ground.  I bet this explains why I kept losing about 8 oz of coolant on 500 miles, that drip drip leak that evaporated and hard to find until i crawled under with a strong light.

Thanks to Alton and his crew.  And MOT sending me there....

Mike
2001 U320 4010 Build 5878 (Gus)
Wrangle Unlimited Toad
Nacogdoches

Re: Water Pump, thanks FOT

Reply #9 –
I had Cummins do mine a few years ago now and it was 4 hours of labor but they lifted the coach up.
2025 Wanderbox Outpost 32 on F600 Expedition Motorhome
2015 Born Free Royal Splendor on Ford 550 nonslide version  for sale
Former Coaches  covering. 360,000 miles
1999 34 U270
2000 36 U320
2001 42' double slide U320
2018 Jeep Rubicon
 

Re: Water Pump, thanks FOT

Reply #10 –
Mike I'm always pretty happy when I can get the service done somewhere other than the side of the road.  Price is pretty far down the list compared to a breakdown.  Glad you got it figured out.
Rick & Rhonda
2003 U320 4220  Build #6199
Was
91 36' GV 300 Caterpillar, 92 40' U280 300 Cummins, 97 36' U295 300 Cummins, 2002
U320 450 Cummins
(Guess we're hooked)

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