Why is my Chevy S10 running hot

Asked by Duke Mar 24, 2020 at 01:13 AM

Question type: Maintenance & Repair

I have 84 s10 4x4 that I have put a 2 wheel
automatic transmission in cause the 4 speed went
out I kept the 4speed radiator just put a
transmission cooler in front of it and now it runs
about 200 degrees without a thermostat is this
too hot when I take the cap off to put more
coolant in a puking coolant but when I put fresh
coolant in it seems cool off for a few miles and it
starts the whole thing over do you think you could
meet me radiator or what any help is greatly

1 Answer


Installing a transmission cooler in front of a radiator is a good idea if the radiator was designed to accept that. That's why many if not most transmission coolers are part of the radiator and located out of the air delivery to the radiator. two-hundred degrees shouldn't be a problem, but your coolant loss is. Expelling coolant when you remove a hot radiator cap could be due to a pressure problem and points to a blown head gasket or cracked head transferring compression to the cooling system.

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