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Another Flowkooler waterpump bites the dust

blade

Contributor
Maker of sharp things
Joined
May 13, 2020
Messages
163
Loc.
Santa Fe
1738282804860.png


I used to rebuild machines that used a similar type of bearing to a water pump bearing. With a press you can rebuild a water pump. The weep hole is there to let you know that the inner seal has failed.
 
OP
OP
lars

lars

Contributor
Been here awhile
Joined
Jun 29, 2001
Messages
3,162
Loc.
NorCal flatlands
Speaking of weep holes... I removed said failed pump yesterday. In the case of Explorer pumps, there is a pressed-in plug that looks like a freeze plug in the casting below the shaft. There's a notch in the bore that it's pressed into. That's the weep hole. Just parked, engine stone-cold (it was 45° out) there was a steady drip coming out of it.

I pulled my junkyard pump off the shelf, an actual Ford part, and tried turning the impeller. It felt like new. Gave it a good scrubbing so it looked less old, and installed it. Haven't driven it yet, but unless the seal is blown in that one I expect (hope?) it'll be fine for awhile. Maybe I'll get lucky and it will be like my last one.

If I completely run out of things to do (anyone who knows me will agree that's highly unlikely) I may borrow my neighbor's press and attempt to dismantle the FlowKooler pump for an autopsy.
 

nvrstuk

Contributor
Just a Bronco driver for over 50 yrs!
Joined
Jul 31, 2001
Messages
9,335
Speaking of weep holes... I removed said failed pump yesterday. In the case of Explorer pumps, there is a pressed-in plug that looks like a freeze plug in the casting below the shaft. There's a notch in the bore that it's pressed into. That's the weep hole. Just parked, engine stone-cold (it was 45° out) there was a steady drip coming out of it.

I pulled my junkyard pump off the shelf, an actual Ford part, and tried turning the impeller. It felt like new. Gave it a good scrubbing so it looked less old, and installed it. Haven't driven it yet, but unless the seal is blown in that one I expect (hope?) it'll be fine for awhile. Maybe I'll get lucky and it will be like my last one.

If I completely run out of things to do (anyone who knows me will agree that's highly unlikely) I may borrow my neighbor's press and attempt to dismantle the FlowKooler pump for an autopsy.
We all know that it's not necessarily running out of things to do, but it's all about life's priorities.
So we are expecting a full autopsy on that flow cooler pump within two weeks!!
:) :) :) ;) :)
 
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