How to remove and install a thermostat on Volvo 740?

Removing and installing the thermostat requires the removal of the negative battery cable and draining of the cooling system in a proper container. The next thing is to remove the retaining bolts and disconnect the coolant hose to the thermostat housing. Disassemble the thermostat housing, thermostat, and gasket and take note of the fact that certain thermostats may need special alignment or orientation when harvesting the thermostat. To install, wash the mating surfaces, install another gasket and make sure that the thermostat is installed in the right place. Install back the thermostat housing and tighten the bolts up to the appropriate torque. Refill cooling system over the expansion tank, reconnect negative battery cable and start the engine, letting it reach normal operating temperature. Lastly, drain the cooling, fill with coolant and test it by looking at whether it is leaking or not.

How to remove and replace a thermostat on Volvo V40?

To remove the thermostat, disconnect the battery negative lead and drain the cooling system. Next, slacken and remove the retaining screws, to remove the cover on the top of the engine, specifically at the front, in the case of GDI models. Then, loosen the hose clip and disconnect the coolant hose from the thermostat cover, which applies to non-GDI engines and GDeIngine. Unscrew the retaining bolts to remove the thermostat housing cover, and pull out the thermostat along with the sealing ring, discard the old sealing ring for a new one during refitting. For testing purposes, a rough test can be performed by hanging the thermostat in boiling water, it should open by the time it boils, otherwise, it needs to be replaced. If a thermometer is available, the exact opening temperature can be tested against the specifications which should also be marked on the thermostat. A thermostat that does not close as the water cools needs to be replaced as well. For refitting, put the new sealing ring back on the thermostat and seat it properly on its housing. Reinstall the thermostat housing cover and thread the retaining bolts to the correct torque. Securely reconnect the coolant hose and replace the engine cover and then refill the cooling system and reconnect the battery.

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10 Thermostats found

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Volvo Thermostat Part Number: 271664
$31.16 MSRP: $46.44
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Product Specifications
- Other Name: Thermostat Kit; Thermostat Insert; Thermostat
Fits the following Volvo Models:
- 850 | 1995-1997 | Base, GLT, R, T-5, T-5R, Turbo | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- C70 | 1998-2004 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S40 | 2000-2004 | Base, i, LSE, T5 | 4 Cyl 1.9 L GAS, 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- S60 | 2001-2005 | 2.4, 2.4T, 2.5T, 2.5T AWD, AWD, Base, R, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- S70 | 1998-2000 | AWD, Base, GLT, GLT SE, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S80 | 2004-2006 | 2.5T, 2.5T AWD | 5 Cyl 2.5 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V40 | 2000-2004 | Base, LSE | 4 Cyl 1.9 L GAS
- V70 | 1998-2005 | 2.4, 2.4T, AWD, Base, GLT, GLT SE, R, R AWD, T5, X/C, X/C AWD, X/C AWD SE | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Thermostat Part Number: 272335
$28.04 MSRP: $41.78
You Save: $13.74 (33%)
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Product Specifications
- Other Name: Engine Coolant Thermostat Kit; Thermostat
Fits the following Volvo Models:
- S80 | 1999-2005 | 2.9, T6, T6 Premier | 6 Cyl 2.8 L GAS, 6 Cyl 2.9 L GAS
- XC90 | 2003-2005 | T6 | 6 Cyl 2.9 L GAS
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Volvo Thermostat Unit Part Number: 30720083
$31.16 MSRP: $46.44
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Product Specifications
- Other Name: Thermostat Kit; Engine Coolant Thermostat; Thermostat, Thermostat Unit
Fits the following Volvo Models:
- S80 | 2007-2010 | V8 | 8 Cyl 4.4 L GAS
- XC90 | 2005-2011 | V8, V8 Ocean Race, V8 Sport | 8 Cyl 4.4 L GAS
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Volvo Thermostat Part Number: 31319608
$31.16 MSRP: $46.44
You Save: $15.28 (33%)
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Product Specifications
- Other Name: Engine Coolant Thermostat Kit; Thermostat
Fits the following Volvo Models:
- C30 | 2008-2013 | T5, T5 R-Design | 5 Cyl 2.5 L GAS
- C70 | 2006-2013 | T5 | 5 Cyl 2.5 L GAS
- S40 | 2005-2011 | 2.4i, i, T5, T5 R-Design | 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- S60 | 2012-2016 | T5, T5 Inscription Platinum, T5 Inscription Premier, T5 Platinum, T5 Premier, T5 Premier Plus | 5 Cyl 2.5 L GAS
- S60 Cross Country | 2016 | T5 Platinum | 5 Cyl 2.5 L GAS
- V50 | 2005-2011 | 2.4i, i, T5, T5 R-Design | 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- V60 | 2015 | T5, T5 Platinum, T5 Premier, T5 Premier Plus | 5 Cyl 2.5 L GAS
- XC60 | 2015-2016 | T5, T5 Platinum, T5 Premier | 5 Cyl 2.5 L GAS
- XC70 | 2016 | T5, T5 Platinum, T5 Premier | 5 Cyl 2.5 L GAS
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Volvo Thermostat Part Number: 31293739
$114.95 MSRP: $172.72
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Fits the following Volvo Models:
- V60 | 2015-2016 | T5, T5 Platinum, T5 Premier, T5 Premier Plus, T6 Polestar, T6 R-Design, T6 R-Design Platinum | 5 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- V60 Cross Country | 2015-2016 | T5, T5 Platinum | 5 Cyl 2.5 L GAS
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Volvo Thermostat Part Number: 273307
$26.45 MSRP: $38.71
You Save: $12.26 (32%)
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Product Specifications
- Other Name: Thermostat Kit 2512; Thermostat
Fits the following Volvo Models:
- 240 | 1990-1993 | Base, DL, GL, SE | 4 Cyl 2.3 L GAS
- 244 | 1986-1989 | DL, GL | 4 Cyl 2.3 L GAS
- 245 | 1984-1989 | Base, DL, GL | 4 Cyl 2.1 L GAS, 4 Cyl 2.3 L GAS
- 740 | 1985-1992 | Base, GL, GLE, T | 4 Cyl 2.3 L GAS
- 760 | 1984-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 780 | 1989-1991 | Base | 4 Cyl 2.3 L GAS
- 940 | 1991-1995 | Base, GL, GLE, SE, T | 4 Cyl 2.3 L GAS
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Volvo Thermostat Part Number: 273459
$31.16 MSRP: $46.44
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Product Specifications
- Other Name: Thermostat Kit; Thermostat
Fits the following Volvo Models:
- 240 | 1990-1993 | Base, DL, GL, SE | 4 Cyl 2.3 L GAS
- 244 | 1986-1989 | DL, GL | 4 Cyl 2.3 L GAS
- 245 | 1984-1989 | Base, DL, GL | 4 Cyl 2.1 L GAS, 4 Cyl 2.3 L GAS
- 740 | 1985-1992 | Base, GL, GLE, T | 4 Cyl 2.3 L GAS
- 760 | 1984-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 780 | 1989-1991 | Base | 4 Cyl 2.3 L GAS
- 940 | 1991-1995 | Base, GL, GLE, SE, T | 4 Cyl 2.3 L GAS
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Volvo Thermostat Part Number: 273364
$27.55 MSRP: $32.26
You Save: $4.71 (15%)
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Product Specifications
- Other Name: Thermostat Kit; Thermostat
Fits the following Volvo Models:
- 760 | 1984-1990 | GLE | 6 Cyl 2.8 L GAS
- 780 | 1987-1990 | Base | 6 Cyl 2.8 L GAS
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Volvo Thermostat Part Number: 273728
$27.55 MSRP: $32.26
You Save: $4.71 (15%)
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Product Specifications
- Other Name: Thermostat Kit; Engine Coolant Thermostat; Thermostat
Fits the following Volvo Models:
- 244 | 1984 | DL, GL | 6 Cyl 2.4 L DIESEL
- 245 | 1984 | Base | 6 Cyl 2.4 L DIESEL
- 740 | 1985-1986 | GLE | 6 Cyl 2.4 L DIESEL
- 760 | 1984-1985 | GLE | 6 Cyl 2.4 L DIESEL
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Volvo Thermostat Part Number: 273480
Product Specifications
- Other Name: Thermostat Kit; Engine Coolant Thermostat; Thermostat
Fits the following Volvo Models:
- 760 | 1984-1990 | GLE | 6 Cyl 2.8 L GAS
- 780 | 1987-1990 | Base | 6 Cyl 2.8 L GAS

Volvo Thermostat Parts and Q&A

Thermostat
273307
Q: How to remove and install a thermostat on Volvo 740?
A:
Removing and installing the thermostat requires the removal of the negative battery cable and draining of the cooling system in a proper container. The next thing is to remove the retaining bolts and disconnect the coolant hose to the thermostat housing. Disassemble the thermostat housing, thermostat, and gasket and take note of the fact that certain thermostats may need special alignment or orientation when harvesting the thermostat. To install, wash the mating surfaces, install another gasket and make sure that the thermostat is installed in the right place. Install back the thermostat housing and tighten the bolts up to the appropriate torque. Refill cooling system over the expansion tank, reconnect negative battery cable and start the engine, letting it reach normal operating temperature. Lastly, drain the cooling, fill with coolant and test it by looking at whether it is leaking or not.
Thermostat
271664
Q: How to remove and replace a thermostat on Volvo V40?
A:
To remove the thermostat, disconnect the battery negative lead and drain the cooling system. Next, slacken and remove the retaining screws, to remove the cover on the top of the engine, specifically at the front, in the case of GDI models. Then, loosen the hose clip and disconnect the coolant hose from the thermostat cover, which applies to non-GDI engines and GDeIngine. Unscrew the retaining bolts to remove the thermostat housing cover, and pull out the thermostat along with the sealing ring, discard the old sealing ring for a new one during refitting. For testing purposes, a rough test can be performed by hanging the thermostat in boiling water, it should open by the time it boils, otherwise, it needs to be replaced. If a thermometer is available, the exact opening temperature can be tested against the specifications which should also be marked on the thermostat. A thermostat that does not close as the water cools needs to be replaced as well. For refitting, put the new sealing ring back on the thermostat and seat it properly on its housing. Reinstall the thermostat housing cover and thread the retaining bolts to the correct torque. Securely reconnect the coolant hose and replace the engine cover and then refill the cooling system and reconnect the battery.