Thermostat different temp range?!
I just pulled out the thermostat on my 89 and at the bottom it says 160F and my new one is 195F Do I need the 195F or the 160F thermostat if the old one (160F) is bad?
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Stock is 190 to 198 I think it is.
I typically use a 180 without issues. The hotter thermostats are to make the engine burn cleaner to pass EPA regulations. |
Originally Posted by Caish
(Post 670413)
Stock is 190 to 198 I think it is.
I typically use a 180 without issues. The hotter thermostats are to make the engine burn cleaner to pass EPA regulations. |
Originally Posted by AndyADD
(Post 670437)
Damn it idk what could be cuasing the overheating then. I flushed the radiator. Do you have a picture of how the thermostat is suppose to be placed in the engine?
http://ecx.images-amazon.com/images/...500_AA300_.jpg the pointed end points to the radiator. Have you cleaned the radiator externally? I use to use some stuff called Black Max for cleaning A/C condensors but since its hard to find. I would suggest spraying it down with something like Easy Off Oven Cleaner and then wash it off and flush all the dirt with a hose. |
What is your temp gauge reading when you notice the rig start to overheat. Im having a similar problem with coolant boiling out. Did flushing your radiator help any?
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Originally Posted by Caish
(Post 670413)
Stock is 190 to 198 I think it is.
I typically use a 180 without issues. The hotter thermostats are to make the engine burn cleaner to pass EPA regulations. |
Originally Posted by AndyADD
(Post 670398)
I just pulled out the thermostat on my 89 and at the bottom it says 160F and my new one is 195F Do I need the 195F or the 160F thermostat if the old one (160F) is bad?
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Originally Posted by djb383
(Post 670515)
Factory t-stat is 195F and the t-stat only controls minimum operating temp, nothing else.
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I put new one in. The need is between 210 mark and the next white mark before red line.
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Originally Posted by AndyADD
(Post 670925)
I put new one in. The need is between 210 mark and the next white mark before red line.
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Originally Posted by cascadeclimbn
(Post 670927)
So after the new thermostat your running at about 220F then?
When I flushed the radiator since there was some water in the block he said just get full concentrate and since I don't know how much water was left in idk how much to mix in so I just added the coolant without adding more water. Could that be the cause too? |
Too much coolant can cause the engine to run hotter, water absorbs heat much faster than the coolant, but you need the anti-rust and lubricating additives in the coolant keep the system alive longer. A 70% water to 30%coolant ratio works great depending on where you live.
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If you live in colder climates 50/50 mix is good, too.
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The XJ cooling system holds about 3 gals. When the system is flushed and drained at the water pump, about 1 gal of water remains (unless u drain the block). When refilling the cooling system, add 1 gal straight antifreeze/coolant 1st (presuming block is not drained), then fill it up/top it off with 50/50 mixed coolant/water.
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I just feel like draining all my coolant out and re filling it.
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