![Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2 Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2](https://a.d-cd.net/870d22ds-960.jpg)
Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2
MK6 2010 Passat B7 TDI running cold - Please help | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
![Volkswagen Workshop Manuals > Golf Mk6 > Power unit > 4-cyl. direct injection engine (2.0 l 4V turbocharger, toothed belt drive) > Engine cooling > Coolant pump, regulation of cooling system > Removing and installing thermostat Volkswagen Workshop Manuals > Golf Mk6 > Power unit > 4-cyl. direct injection engine (2.0 l 4V turbocharger, toothed belt drive) > Engine cooling > Coolant pump, regulation of cooling system > Removing and installing thermostat](https://workshop-manuals.com/volkswagen/golf-mk6/images/golf-mk6-11825.png)
Volkswagen Workshop Manuals > Golf Mk6 > Power unit > 4-cyl. direct injection engine (2.0 l 4V turbocharger, toothed belt drive) > Engine cooling > Coolant pump, regulation of cooling system > Removing and installing thermostat
![Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2 Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2](https://a.d-cd.net/d20d22ds-480.jpg)
Passat B7 Diesel Coolant temperature fluctuate as you drive — Volkswagen Passat Variant, 2.0 liter, 2012 year on DRIVE2
![DIY thermostat replacement, CJAA TDI engine, Jetta, Golf, and JSW (Golf wagon) | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum DIY thermostat replacement, CJAA TDI engine, Jetta, Golf, and JSW (Golf wagon) | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum](https://www.myturbodiesel.com/cdn-cgi/image/format=auto,onerror=redirect,width=1920,height=1920,fit=scale-down/https://www.myturbodiesel.com/d2/images/a6/engine/thermostat-1.jpg)
DIY thermostat replacement, CJAA TDI engine, Jetta, Golf, and JSW (Golf wagon) | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
![FOLLOW UP: 13 golf wouldn't regen. Turns out the thermostat was failing to let engine reach proper temps to regen. New thermostat installed, covered by dieselgate warranty, issue free ever since. : FOLLOW UP: 13 golf wouldn't regen. Turns out the thermostat was failing to let engine reach proper temps to regen. New thermostat installed, covered by dieselgate warranty, issue free ever since. :](https://preview.redd.it/7f9g4oo1c9c41.jpg?width=640&crop=smart&auto=webp&s=d5adfdc6f2eaaff1106c62537cbfafa1337c10b2)
FOLLOW UP: 13 golf wouldn't regen. Turns out the thermostat was failing to let engine reach proper temps to regen. New thermostat installed, covered by dieselgate warranty, issue free ever since. :
![Coolant leak. Is this the thermostat? (Pics) | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com Coolant leak. Is this the thermostat? (Pics) | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com](https://www.golfmk6.com/forums/proxy.php?image=http%3A%2F%2Fimg.tapatalk.com%2Fd%2F14%2F07%2F11%2Fna9avy7u.jpg&hash=501313e5241f44fbc09f3621ac6830e5)