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water temperature

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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sudhan50
Posts: 1
Joined: 6 March 2013
Year and Model: S90, 1997
Location: Malaysia

water temperature

Post by sudhan50 »

I live in Malaysia where the weather temperature remains constant between 30 to 35 deg. Centigrade throughout the year.
My 1979 Volvo S90 recently experienced high temperature (red) and resulted in a top engine overhaul. Is it possible to drive the car with the thermostat removed./
Previously I had a Volvo 740 and used it for many years with the thermostat removed.

Mani Madhavan

JDS60R
MVS Moderator
Posts: 3532
Joined: 21 February 2009
Year and Model: 2007 S60R 2016 XC70
Location: Mount Juliet, TN
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Post by JDS60R »

You can but its better for the car to have a more regulated temp. For customers with this concern we advise them to buy a fail safe thermostat that locks open in cases of overheating. Here they are made by a company called Motorad. Here is a video to introduce the concept.

Retired

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