90maniac

Active Member

• Feb 6, 2013

• #1

Hey i have a 3.5 discovery engine was originaly efi but put on SD1 carbs now the heater guage flies up and down all the time but i have had the collant drained refilled and bled at the garage and still does it so i am going to change the thermostat, does anyone know where to locate the thermostat? And how to test it
Cheers Steve

 

Dr_evil

Banned

• Feb 6, 2013

• #2

In the housing on inlet, test in pot of water

 

rappy1

Active Member

• Feb 6, 2013

• #3

As per Dr instructions
I would replace it even if it is opening. For the low price of a new one

 

Dr_evil

Banned

• Feb 6, 2013

• #4

Waxstat is £2.80 I think, so not much and they're good, gasket is 20p or something around that too I think

 

90maniac

Active Member

• Feb 6, 2013

• #5

Yh got one today but not a gasket so need one of them