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Re: 87 dakota over heating
Take it to a lube shop, and they have a vacum replacment system that will **** all the fluid and air out. put a vacum on the system then replace it with new coolant with out any air pockets. this should do the trick.
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On Ford you have to bleed the system of air in the cooling system there are several ways to do it, Here is the easy way withe the vehicle cool to touch open the top radiator hose add the coolant or water through there
look at your top radiator hose is there a small bleed valve at the top
of the thermostat housing when the upper hose attaches to? If so
loosen the bleed valve and allow the cooling system to purge the air out
of the system you can tell when the air is out of the system when a
steady stream of coolant starts to flow out of the bleed valve, if
there is no bleed valve take the top radiator hose off of the engine side
and allow the cooling system to purge the air out through the top of the
engine that way
Theres a strong possibility being you just changed the coolant a few weeks ago that theres air in the cooling system not allowing the coolant to cirrculate properly, look at your top radiator hose is theres a small bleed valve at the top of the thermostat housing when the upper hose attactes to? If so loosen the bleed valve and allow the cooling system to purge the air out of the system you can tell when the air is out of the system when a steady stream of coolant starts to flow out of the bleed valve, if theres no bleed valve take the top radiator hose off of the engine side and allow the cooling system to purge the air out through the top of the engine that way, but it definatly sounds like theres air in the system not allowing for the cooling system to cool properly...
1st make sure your cooling fans turn on. If they do, you probably have air in your cooling system. If you don't know where the bleed valve is or how to bleed the cooling system, check out this link. COOLANT BLEED VALVE
YOU MAY WANT TO CHECK THESE FIRST
make sure your radiator is clear and not blocked in any of the fins and openings and make sure your fan is working
u may need to flush the cooling system-could be blockage somewhere bleed valve should be on bottom of radiator on right side looking at front of truck if u still can't find it just remove the bottom hose on radiator-make sure engine is not hot before doing this u can buy flush kit at any auto store after flushing-put water if-not antifreeze run for 15 to 25 minutes and see if it gets hot if not-drain and put antifreeze in if it still gets hot you may have gasket problems allowing fluids to leak out or hot gases from exhaust to get into you're cooling system check tail pipe for steam
No bleed valve. If you want to get the air out of the system, just run the car until it's hot and the thermostat opens, and then run it some more so that the coolant is fully distributed. The air will get to the top of the engine - the filler cap. Then after it's cool you can refill the engine, and the overfill tank.
its attached to your intake ...it will look like a minature brake booster a small diaphram with vaccuum hoses attached ... if you get it off blow out the opening they get clogged from using 87 oct
check your vaccuum pressure as well ...rule of thumb you need 11-14 psi