Jaguar XJ6 (X306) – How To Replace Thermostat

Jaguar XJ6 (X306) – How To Replace Thermostat

Learn how to replace a thermostat on a 1988-1997 Jaguar XJ6 (X306/X300/XJ40) The thermostat constantly open and close to moderate the coolant temperature and when they wear out the engine temperature starts to fluctuate too much. The two primary failure modes for a thermostat are when they’re stuck open or stuck close. The only cure is to replace the thermostat.

REPAIR TIME: 10 Minutes

1. Thermostat
2. RTV Silicone Gasket

1. Socket Set
2. Flat Head ScrewDriver
4. Disposable Gloves
4. Floor Jack
5. Jack Stands
6. Thread locker
7. Catch Pan



MUSIC: (30-day free trial)

#JaguarXJ6 #Thermostat #OpenThermostat

The purpose of this video is to help out fellow Jaguar owners to the best of my knowledge. The information provided in the video is supplied as is, with no warranty. Most information comes from my experience working on cars. It’s not meant to replace shop manual or professional advice. I do not assume any liability whatsoever for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk.



Adam Youkana says:

I replaced my thermostat in my 85 xj6 but since then my temperature gauge automatically shows max heat. Any ideas?

John Davey says:

Nice work again Jesse. Take care and stay safe.

Diego da Hornet says:

Fala meu amigo ,vídeo muito show
Já venho acompanhando seus vídeos, meus parabéns ,se puder da uma moral lá no meu canal!

KillerJoy 956 says:

I have a 1990 Jaguar xj6 4.0 and my a/c doesn’t work but idk why I really do need help like it doesn’t turn on

ernst boston says:

my 1994 jagaur xj6 wont strat. at first i have to turn the key twice or tree time to start.but now wont start what can i do.?

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