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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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No HeatingViews : 632 Replies : 3Users Viewing This Thread : |
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Nov 14th, 2017, 19:57 | #1 |
New Member
Last Online: Nov 3rd, 2022 20:16
Join Date: May 2017
Location: Blandford
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No Heating
Hello, I have 2005 V70, and have no heating. Blower is working, You can change positions ( screen, body, legs) but no heat. I spoke with my local garage and he said probably heater matrix is blocked. so I took the hoses off, and flush it with garden hose. the water was coming through. Put coolant, went for spin.... but still the same. When I touch the hoses in engine bay, one is hot the other one not. I took plastic cover off in cabin and touched the heater matrix, cold!! Have no idea what is wrong. Any idea guys?? Thank You Michal
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Nov 14th, 2017, 21:36 | #2 |
Junior Member
Last Online: Dec 29th, 2023 21:33
Join Date: May 2015
Location: Beauly-ish
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Could be the thermostat, could be the radiator might even be the water pump.
What's the temperature gauge showing? |
Nov 14th, 2017, 21:39 | #3 |
New Member
Last Online: Nov 3rd, 2022 20:16
Join Date: May 2017
Location: Blandford
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Water pump was changed last year with cam belt, temperature is exactly in the middle, so looks good to me...
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Nov 14th, 2017, 23:28 | #4 |
Premier Member
Last Online: Jul 26th, 2021 22:24
Join Date: Jun 2013
Location: Coldnada
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Just as a caution, what brand was the water pump? We usually don't change it until 200k miles and all times one failed it's has been an aftermarket replacement part.
That said, your were touching the two hoses that go into the firewall? If one it's cold perhaps air is trapped inside the heater ? Other than that it would be the water pump doesn't circulate the coolant. The dividing walls inside the heater can break causing less heat through the vents, but the coolant will still flow through it and will return through the second hose which would still be warm/hot
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Several Volvo Repair Videos https://www.youtube.com/playlist?lis...ECTts0FSVSOT_c Last edited by oragex; Nov 14th, 2017 at 23:31. |
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