New TSB issued regarding water pumps

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Flushing the system stops water pump leaks. Interesting.
 

tjbronco

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My water pump is being replaced next week (dripping but still drivable). I am at about 30K miles. Its on this forum in other places, but if your pump fails, be sure to get the newer pump (PN HX7Z-8501-B). I may ask to keep the old pump - I would like to take it apart to see what is going on with these. I am assuming it is either the bearing or the seal that is failing.
 


Mark S.

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The way I'm reading this, you flush the system BEFORE replacing a bad water pump. This implies coolant contamination with debris from the failed pump. My guess is if you leave debris from a failed pump in the system it will damage the new pump.
 

BroncoSportNY

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Funny you should post this, I just had my Bronco Sport into the dealer for an oil change and state inspection, the mechanic found a coolant leak and replaced the water pump as per the TSB. They did a great job and covered it under warranty so no charge! I have attached a scan of my invoice so you may see the part numbers and work performed.
 

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Rogerthat898

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Funny you should post this, I just had my Bronco Sport into the dealer for an oil change and state inspection, the mechanic found a coolant leak and replaced the water pump as per the TSB. They did a great job and covered it under warranty so no charge! I have attached a scan of my invoice so you may see the part numbers and work performed.
Are you sure the dealer performed the coolant flush?
It looks like only 2 gallons of coolant was billed and there is no mention of doing a flush in the notes.
 


Mark S.

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Funny you should post this, I just had my Bronco Sport into the dealer for an oil change and state inspection, the mechanic found a coolant leak and replaced the water pump as per the TSB. They did a great job and covered it under warranty so no charge! I have attached a scan of my invoice so you may see the part numbers and work performed.
The work order didn't mention a system flush. You might consider contacting your service department and discussing.
 

FB71

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The work order didn't mention a system flush. You might consider contacting your service department and discussing.
Service bulletin was released on 3/14. His RO is dated 3/8. The dealer wouldn't have been aware of the flushing protocol.
 

Mark S.

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Service bulletin was released on 3/14. His RO is dated 3/8. The dealer wouldn't have been aware of the flushing protocol.
I saw that. Doesn't preclude discussing the issue.
 

Dude

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