Attention: If you have a squeaky CHS water pump! New TSB

**efusco** · 05-19-2009, 08:10 AM

Quote:

Originally Posted by JimboK

Update: Quite a difference! Upon reaching work today and shutting down, nothing but a barely audible high-pitched hum.

I've been procrastinating too...guess I'll go in and have it done at my 100k mile service (which I'll do before 100k miles due to the warranty). It's so loud in the winter, but it hasn't every quit, so I just blew it off.

don_chuwish · 05-21-2009, 04:50 PM

Quote:

Originally Posted by JimboK

Update: Quite a difference! Upon reaching work today and shutting down, nothing but a barely audible high-pitched hum.

Mine must not have been too bad. It would screech off and on before turning off, but now it just sounds like before without the screeching. The dealer also did a TSB regarding the AUX port when I complained about a flaky connection there (wiggle the jack and the sound cuts in and out). But when I tried it after the fix it did the same thing. Hmn... maybe I'll try a different cable!

- D

alanh · 05-21-2009, 05:05 PM

One hint -- check your coolant level after a day or two. I had trouble with my dealer not purging the air correctly so it was low (the coolant bottle was empty).

rocketrob · 07-24-2009, 04:43 PM

@TheForce: Thanks for posting recordings of your before/after of the pump sounds.

My '07 exhibits this problem. I have pointed it out to the Dealership a number of times without any corrective action.As compared to my gf's '09 Prius, mine definitely sounds different.

Lo and behold, I find the TSB here on PriusChat. This forum is a great resource. I will also be ordering the extended warranty through the forums here.

Cheers!

warcat507 · 08-31-2009, 03:19 PM

I reported this sound a long time ago, and everyone said I had one of my cats stuck in my Prius!!! (LOL)

05-21-2009, 05:05 PM	#93
alanh Senior Member Join Date: May 2007 Location: Phoenix, AZ Posts: 1,043 My Car: 2007 Prius Model: Package: #5 Thanks: 49 Thanked 49 Times in 34 Posts Friends: 0	Re: Attention: If you have a squeaky CHS water pump! New TSB One hint -- check your coolant level after a day or two. I had trouble with my dealer not purging the air correctly so it was low (the coolant bottle was empty).

07-24-2009, 04:43 PM	#94
rocketrob Junior Member Join Date: Jul 2009 Location: Los Angeles Posts: 1 My Car: 2007 Prius Model: N/A Package: #3 Thanks: 0 Thanked 0 Times in 0 Posts Friends: 0	Re: Attention: If you have a squeaky CHS water pump! New TSB @TheForce: Thanks for posting recordings of your before/after of the pump sounds. My '07 exhibits this problem. I have pointed it out to the Dealership a number of times without any corrective action.As compared to my gf's '09 Prius, mine definitely sounds different. Lo and behold, I find the TSB here on PriusChat. This forum is a great resource. I will also be ordering the extended warranty through the forums here. Cheers!

08-31-2009, 03:19 PM	#95
warcat507 Junior Member Join Date: Jun 2006 Posts: 12 My Car: Model: Package: Thanks: 0 Thanked 0 Times in 0 Posts Friends: 0	Re: Attention: If you have a squeaky CHS water pump! New TSB I reported this sound a long time ago, and everyone said I had one of my cats stuck in my Prius!!! (LOL)

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