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| 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 Gen II Prius 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 ... |
Attention: If you have a squeaky CHS water pump! New TSB
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| | #1 |
| resident lab rat Join Date: Mar 2005 Location: boilermaker territory
Posts: 9,675
My Car: 2005 Prius Model: N/A Package: #5 Thanks: 0
Thanked 93 Times in 37 Posts
Friends: 26 | 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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| The Following 3 Users Say Thank You to galaxee For This Useful Post: |
| | #2 |
| resident lab rat Join Date: Mar 2005 Location: boilermaker territory
Posts: 9,675
My Car: 2005 Prius Model: N/A Package: #5 Thanks: 0
Thanked 93 Times in 37 Posts
Friends: 26 | for the record, we're having this done since ours makes the noise when it's cold. |
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| | #3 |
| DIY Enthusiast Join Date: Mar 2008 Location: Green Valley, AZ
Posts: 4,043
My Car: 2004 Prius Model: N/A Package: #9 Thanks: 21
Thanked 212 Times in 183 Posts
Friends: 44 | 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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| | #4 |
| resident lab rat Join Date: Mar 2005 Location: boilermaker territory
Posts: 9,675
My Car: 2005 Prius Model: N/A Package: #5 Thanks: 0
Thanked 93 Times in 37 Posts
Friends: 26 | |
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| | #5 |
| One owner, low mileage Join Date: May 2006 Location: Chesterfield, VA
Posts: 2,548
My Car: 2005 Prius Model: Package: #2 Thanks: 4
Thanked 88 Times in 69 Posts
Friends: 6 | Another "thanks" here. Since we're in the midst of 3 days of 100F temps, the pump is kind of quiet now. |
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| | #6 |
| Senior Member Join Date: Nov 2005 Location: Virginia Beach
Posts: 150
My Car: 2005 Prius Model: Package: #7 Thanks: 0
Thanked 0 Times in 0 Posts
Friends: 0 | Thanks! I've noticed a squeak as well. Glad to hear it's under warranty. |
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| | #7 |
| resident lab rat Join Date: Mar 2005 Location: boilermaker territory
Posts: 9,675
My Car: 2005 Prius Model: N/A Package: #5 Thanks: 0
Thanked 93 Times in 37 Posts
Friends: 26 | hoping to have it done yet this week- would prefer to invoke the powertrain warranty rather than the extended warranty. |
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| | #8 |
| I Plug-In My Prius Join Date: May 2005 Location: Wheelersburg, Ohio
Posts: 2,727
My Car: 2006 Prius Model: Package: #7 Thanks: 1
Thanked 155 Times in 114 Posts
Friends: 22 | 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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| | #9 |
| absit invidia Join Date: May 2005 Location: USA | Oregon | Portland area | 97004 |
Posts: 4,100
My Car: 2007 Prius Model: Package: #5 Thanks: 18
Thanked 10 Times in 8 Posts
Friends: 60 | Thanks galaxee! |
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| | #10 |
| Platinum Member Join Date: Jul 2004 Location: USA
Posts: 4,012
My Car: Other Non-Hybrid Model: Package: N/A Thanks: 0
Thanked 3 Times in 2 Posts
Friends: 0 | 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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| Tags |
| attention, chs, pump, squeaky, tsb, water |
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