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Sean Woodward (Monkey)
Member
Username: Monkey

Post Number: 62
Registered: 02-2003
Posted on Thursday, January 22, 2004 - 04:58 pm:   Edit Post Delete Post Print Post

I have a 96 discovery. I need a hotter thermostat. I live in Labrador. The temp here in the winter is like -25 to -45 all the time in the winter. And winter is for almost 7 months of the year. A stock thermostat runs at 88. I need one that runs alot hotter. Any suggestions where i might get one?
Thanks
Sean
 

Randall Smith (Mr_smith)
Member
Username: Mr_smith

Post Number: 177
Registered: 04-2003
Posted on Thursday, January 22, 2004 - 05:59 pm:   Edit Post Delete Post Print Post

You won't find a hotter thermostat. Coolant is supposed to be 190F.

If what you are after is reducing the amount of time requires to get the heater going then try this: Remove the belt driven fan. I have not had a belt driven fan on my RR for over 5 years. You can carry the fan in the trunk if you are worried that engine will overheat. Or put a sheet of plastic in front of the radiator to drasticall reduce the amount of cold air flowing thru it.
 

Sean Woodward (Monkey)
Member
Username: Monkey

Post Number: 63
Registered: 02-2003
Posted on Thursday, January 22, 2004 - 11:02 pm:   Edit Post Delete Post Print Post

The problem is not the time. But the temp. It does take along time to heat up. Just doesnt get very hot. Gets luke warm.... I thought that i could get a hotter thermostat.
Thanks
Sean
 

Randall Smith (Mr_smith)
Member
Username: Mr_smith

Post Number: 179
Registered: 04-2003
Posted on Friday, January 23, 2004 - 12:41 am:   Edit Post Delete Post Print Post

Thermostats get stuck open and they get stuck closed. Yours may be stuck open, or not even there.
 

Gerard Brooks (Wizard)
Member
Username: Wizard

Post Number: 44
Registered: 11-2003
Posted on Friday, January 23, 2004 - 07:03 am:   Edit Post Delete Post Print Post

The standard Disco thermostats are 82 and 88 deg C
try and find one that runs hotter from another car in the Rover group.
You could even take the fan off during winter,srveral people in the UK run with out fans all year round.
Cheers
wizard
 

Eric Thatcher (Discodork)
New Member
Username: Discodork

Post Number: 10
Registered: 01-2004
Posted on Friday, January 23, 2004 - 12:51 pm:   Edit Post Delete Post Print Post

Try placing a thin cookie sheet between the grill and the radiator. Hold it in place with a bungee or two. Covering the radiator is a common tactic on trucks too. Ever see the Kenworth with a big grill cover that has a zipper to adjust the airflow? Same deal.

Keeping the airflow out of the radiator make a huge difference when it gets that cold. There is enough room around the engine, and enough air moving around that in that temp the engine just never gets warm enough to heat the water.

The Disco has a huge amount of coolant for that little motor to heat.

I had a thermostat stuck open too. They are cheap and easy to replace - half an hour or so. You can siphon the coolant out of the radiator low enough to pop the thermostat housing without having to drain the whole system.

A 3/8 inch clear plastic hose and a five gallon bucket. A 1/2 deep socket and a gasket scraper. Make sure to get the new one in the same orientation (careful not to put the new one in backards).... =]
 

Evan (Bahnstorm)
New Member
Username: Bahnstorm

Post Number: 18
Registered: 03-2003
Posted on Sunday, January 25, 2004 - 12:51 pm:   Edit Post Delete Post Print Post

Along these same lines. I'm in the Fingerlakes region of NY and my 98 D1 barely moves the temp gauge up these cold winter days. Even after about 10 miles of flat to downhill highway cruising the needle moves just enough to know it is working. If I park for awhile, like to run in to the post office or something, the needle moves up to just a touch below halfway, about where it sits in the summer.
Do I have a stuck open thermostat or is this the function of lots of coolant and cold days?

I'm just curious what other northern climate temp gauges look like this time of year.
Thanks,
Evan
 

David Huddleson (Dhuddleson)
New Member
Username: Dhuddleson

Post Number: 13
Registered: 09-2003
Posted on Sunday, January 25, 2004 - 01:36 pm:   Edit Post Delete Post Print Post

Evan,

That has to be a stuck thermostat! And not good for the overall health of the engine to be running cold.

Changing the thermostat on a D1 is simple too. Get a new thermostat and gasket, drain coolant through siphon from that plastic plug hole in rad. Drain enough so level is below thermostat, then there will be little mess! Plus, you can pour the coolant back in when you are complete!

Parts should be less than $20, even from the LR Dealer!

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