Thermostat location
#1
Thermostat location
Can somebody tell me where the thermostat is located in a series 3? Car never hits halfway on temp and stays a little under the green zone. The heat works but blows luke warm when on the highest setting. Im thinking its the thermostat stuck open. Can it be the CTS? The temp gauge never bounces it stays steady a little under halfway. I checked and there is no leaks and the coolant level never lowers. Any suggestions? Sometimes although the gauge will hit halfway but never stay there long at all
Last edited by ahunt4; 01-28-2015 at 11:38 PM.
#2
Follow the the TOP radiator hose, RH side of the engine near the top, to where it connects to an alloy housing ON the engine front. The "snout" of that housing holds the thermostat. There are 3 bolts, and one is LONG, and a mongrel usually to remove, so take care and do not break it.
Picture is the Damler Limo version, basically identical.
Picture is the Damler Limo version, basically identical.
#3
front of radiator, follow the top radiator Hose until it reaches the front of the engine, towards the passenger side. (see yellow arrow in picture)
once you separate the Hose at the engine side, there is a steel housing with nuts;
if you can remove the nuts without breaking the studs, then you pry the housing and under the housing you will see the thermostat. Observe the orientation before removing it, the new one goes in one-way only.
if you break one of the studs while trying to remove the thermostat housing nuts, you are in big trouble, so be very careful. Spray RustBlaster or ******** on all the nuts for a few days before attempting to loosen the nuts. It is a known issue that the studs break when you put a wrench to them. You are warned.
the alternative is to take the car to an experienced Jaguar mechanic and let him/her do the job.
Also there are two different temperature thermostats, make sure you buy the correct temperature thermostat for the region where you live. Go to a Jaguar Dealer, do not install a cheap aftermarket thermostat, these cars don't like cheap thermostats.
once you separate the Hose at the engine side, there is a steel housing with nuts;
if you can remove the nuts without breaking the studs, then you pry the housing and under the housing you will see the thermostat. Observe the orientation before removing it, the new one goes in one-way only.
if you break one of the studs while trying to remove the thermostat housing nuts, you are in big trouble, so be very careful. Spray RustBlaster or ******** on all the nuts for a few days before attempting to loosen the nuts. It is a known issue that the studs break when you put a wrench to them. You are warned.
the alternative is to take the car to an experienced Jaguar mechanic and let him/her do the job.
Also there are two different temperature thermostats, make sure you buy the correct temperature thermostat for the region where you live. Go to a Jaguar Dealer, do not install a cheap aftermarket thermostat, these cars don't like cheap thermostats.
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Grant Francis (01-29-2015)
#4
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Grant Francis (01-29-2015)
#6
I have both, the Northern Climate and the Southern climate thermostats, because I spend time in Tennessee and Florida, depending on the Season, so I just change to the Northern thermostat if I'm going to spend Winter in Tennessee, or change to the Southern thermostat if I'm spending time in Florida.
one opens faster than the other, the northern t/s opens later to allow the engine to heat more.
the Jaguar dealer will know, I don't have the part numbers.
one opens faster than the other, the northern t/s opens later to allow the engine to heat more.
the Jaguar dealer will know, I don't have the part numbers.
#7
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