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| Toyota Prius Service Bulletins - TSBs This is a discussion on Attention: If you have a squeaky CHS water pump! New TSB within the Toyota Prius Service Bulletins - TSBs forums, part of the Care, Maintenance and Troubleshooting category; it's covered under the powertrain warranty- 5/60. T-SB-0087-08 June 5, 2008 Abnormal Noise from Coolant Heat Storage Water Pump Introduction ... |
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06-08-2008, 07:39 PM
| #1 |
| running WOT until out of fuel  Join Date: Mar 2005 Location: central NC/ western WI
Posts: 8,927
My Car: 2005 Prius Package: #5 Nominated 5 Times in 3 Posts TOTM Awards: 0 Friends: 20 |  Attention: If you have a squeaky CHS water pump! New TSB it's covered under the powertrain warranty- 5/60. T-SB-0087-08 June 5, 2008 Abnormal Noise from Coolant Heat Storage Water Pump Introduction Some 2004 – 2008 model year Prius vehicles may exhibit a “squeak” type noise during vehicle startup or shutdown. This noise can be heard coming from the coolant heat storage water pump during cold ambient temperature conditions. Use the following procedure to address this condition only if the noise is confirmed to be coming from the coolant heat storage water pump. |
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06-08-2008, 07:56 PM
| #2 |
| running WOT until out of fuel Join Date: Mar 2005 Location: central NC/ western WI
Posts: 8,927
My Car: 2005 Prius Package: #5 Nominated 5 Times in 3 Posts TOTM Awards: 0 Friends: 20 | Re: Attention: If you have a squeaky CHS water pump! New TSB for the record, we're having this done since ours makes the noise when it's cold. |
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06-08-2008, 08:17 PM
| #3 |
| DIY Enthusiast  Join Date: Mar 2008 Location: Orange County, CA
Posts: 1,788
My Car: 2004 Prius Package: #9 Nominated 0 Times in 0 Posts TOTM Awards: 0 Friends: 25 | Re: Attention: If you have a squeaky CHS water pump! New TSB Thanks, Galaxee! I also want to get a new pump. This one bulletin will probably increase Toyota's warranty costs significantly as ~100,000 Prius owners request CHS pump replacement... Since your DH is no longer working as a tech, what is your source for the TSBs?? Do you subscribe to techinfo.toyota.com ? |
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06-08-2008, 08:26 PM
| #4 | |
| running WOT until out of fuel Join Date: Mar 2005 Location: central NC/ western WI
Posts: 8,927
My Car: 2005 Prius Package: #5 Nominated 5 Times in 3 Posts TOTM Awards: 0 Friends: 20 | Re: Attention: If you have a squeaky CHS water pump! New TSB Quote:
let's just say we have remaining connections to that world. | |
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06-08-2008, 09:26 PM
| #5 |
| One owner, low mileage  Join Date: May 2006 Location: Chesterfield, VA
Posts: 1,945
My Car: 2005 Prius Package: #2 Nominated 0 Times in 0 Posts TOTM Awards: 0 Friends: 2 | Re: Attention: If you have a squeaky CHS water pump! New TSB Another "thanks" here. Since we're in the midst of 3 days of 100F temps, the pump is kind of quiet now.  I'm assuming it's pretty warm down your way too. Are you waiting until cold weather returns, or are you still connected enough to convince the dealer to do the work now? |
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06-08-2008, 09:59 PM
| #6 |
| Senior Member  Join Date: Nov 2005 Location: Virginia Beach
Posts: 150
My Car: 2005 Prius Package: #7 Nominated 0 Times in 0 Posts TOTM Awards: 0 Friends: 0 | Re: Attention: If you have a squeaky CHS water pump! New TSB Thanks! I've noticed a squeak as well. Glad to hear it's under warranty. |
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06-08-2008, 10:37 PM
| #7 |
| running WOT until out of fuel Join Date: Mar 2005 Location: central NC/ western WI
Posts: 8,927
My Car: 2005 Prius Package: #5 Nominated 5 Times in 3 Posts TOTM Awards: 0 Friends: 20 | Re: Attention: If you have a squeaky CHS water pump! New TSB hoping to have it done yet this week- would prefer to invoke the powertrain warranty rather than the extended warranty. |
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06-08-2008, 11:37 PM
| #8 |
| Vote Third Party!!  Join Date: May 2005 Location: Wheelersburg, Ohio
Posts: 2,037
My Car: 2006 Prius Package: #7 Nominated 7 Times in 2 Posts TOTM Awards: 0 Friends: 15 | Re: Attention: If you have a squeaky CHS water pump! New TSB So what does this noise sound like? I have posted a link to what mine sounds like during shutdown. When you listen to my recording you will hear a hiccup type of squeak and then the normal sound. Near the middle of the recording you will hear that hiccup again. During the colder days this hiccup sound is quite constant. Do I need to get this TSB done on my car? http://jaygroh.dreamhost.com/priuschat/coolantnoise.wav |
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06-10-2008, 03:57 AM
| #10 |
| Platinum Member  Join Date: Jul 2004 Location: Sacramento
Posts: 3,992
My Car: 2005 Prius Package: #4 Nominated 15 Times in 1 Post  TOTM Awards: 1Friends: 0 | Re: Attention: If you have a squeaky CHS water pump! New TSB Well, looks like a bunch of us who live in mild climates will have to take a vacation in a cold climate come next Winter. It just may turn out to be a very prudent financial decision.  |
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Re: Attention: If you have a squeaky CHS water pump! New TSB 
