Login Register

98’ V70 T5 - AC temp cut out switch

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

Post Reply
MooseGangJP
Posts: 9
Joined: 5 March 2023
Year and Model: 1998 S70 T 5 manual
Location: Austin

98’ V70 T5 - AC temp cut out switch

Post by MooseGangJP »

Advice please.

Tell me which wires that need to be cut and spliced together?

Thanks in advance
Attachments
IMG_6316.jpeg
IMG_6316.jpeg (140.58 KiB) Viewed 434 times

MooseGangJP
Posts: 9
Joined: 5 March 2023
Year and Model: 1998 S70 T 5 manual
Location: Austin

Post by MooseGangJP »

I meant S70 T5

MooseGangJP
Posts: 9
Joined: 5 March 2023
Year and Model: 1998 S70 T 5 manual
Location: Austin

Post by MooseGangJP »

View from the top
Attachments
IMG_6317.jpeg
IMG_6317.jpeg (415.19 KiB) Viewed 422 times

MooseGangJP
Posts: 9
Joined: 5 March 2023
Year and Model: 1998 S70 T 5 manual
Location: Austin

Post by MooseGangJP »

Better pic from top
Attachments
IMG_6319.png
IMG_6319.png (1.49 MiB) Viewed 380 times

scot850
Posts: 14877
Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
Has thanked: 1842 times
Been thanked: 1710 times

Post by scot850 »

What are you trying to achieve by cutting wires and splicing? We need help understanding what your end goal is.

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

User avatar
misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
Location: Serbia
Has thanked: 152 times
Been thanked: 402 times

Post by misha »

Probably the ac compressor is overheating and thermal switch is disengaging the clutch.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

scot850
Posts: 14877
Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
Has thanked: 1842 times
Been thanked: 1710 times

Post by scot850 »

What I am trying to understand Misha, is why do this unless you are planning to bypass the compressor with a shorter belt serpentine belt?

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

User avatar
misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
Location: Serbia
Has thanked: 152 times
Been thanked: 402 times

Post by misha »

Because he would have a working ac after bypassing the thermal switch.

Maybe thermal switch is at fault and it keeps dissengaging the clutch.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

User avatar
misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
Location: Serbia
Has thanked: 152 times
Been thanked: 402 times

Post by misha »

MooseGangJP wrote: 16 Jul 2023, 09:43 Advice please.

Tell me which wires that need to be cut and spliced together?

Thanks in advance
Read this:

viewtopic.php?t=29489

There is a big chance that you only have a clutch gap issue.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

scot850
Posts: 14877
Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
Has thanked: 1842 times
Been thanked: 1710 times

Post by scot850 »

My concern is that by bypassing the switch, you would have the compressor constantly running which is not a good thing!

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

Post Reply
  • Similar Topics
    Replies
    Views
    Last post