Question about 1997 Nissan Pickup
If there was no flow and then the
engine overheated, that means the thermostat failed to open. The fact
you get flow with the thermostat removed confirms this. I would get a
Nissan thermostat, part number 21200-V5010, and install it, making sure
the "jiggle" valve is on top.
When I refill the system, I fill up the cooling system and coolant reserve tank and install a little home made tool that is just the a the large end of a small paper clip so it is just a "U" shaped piece of wire. Then I slide it under the small intake valve of the radiator cap and put the cap back on.
Now I just let the engine run with the heater on full HOT and the air will escape into the coolant reserve tank. After about 20 minutes I shut the engine off and let it cool down making sure the reserve tank is at least up to the FULL HOT line. Remove the "U" clip and you should be all set.
If necessary, you can bleed the cooling system by loosening the #1 intake manifold runner bolt.
Good luck and remember rated this help!
Posted on Aug 11, 2009
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Posted on Jan 02, 2017
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Trace the upper radiator hose to the mounting area on the intake manifold. Loosen the hose clamp on the manifold end of the hose and remove the hose. Pull the thermostat out of the intake manifold.
For more help and troubleshooting go through the help links below:---
Click the link below:-----
THERMOSTAT REMOVAL PROCEDURE/LOCATION DETAILS
Where is Thermostat Located on
How to Replace a Thermostat.
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