I have a 1999 Chevrolet Camaro with a new radiator and no thermostat sometimes it pumps water sometimes it don't I don't understand why its heating there is no water in the oil.

Asked by Oct 01, 2015 at 03:01 AM about the 1999 Chevrolet Camaro Base

Question type: General

Sometimes it pumps water
sometimes it Dump there's no water
coming from the repo or anywhere
else but it it overheats

4 Answers

7,555

is the air dam still below the radiator ?? that scoop can get wrecked after many chassis scraps with the concrete blocks. also be sure u bled out all the air from the top hose bleeder valve.

1 of 1 people found this helpful.
98,455

Could be a bad water pump,either the vanes are corroded or the seals are leaking air into the system but not bad enough to leak coolant. These engines need a thermostat, otherwise they will overheat due to the fact that the coolant is moving too fast through the radiator that proper heat transfer cannot happen.

73,055

Agree with tennisshoes, also you need a 50/50 mix of antifreeze...Not just water.

940

Sounds like you may have a clogged rad, rust build-up in the water passages of the block, or a bad water pump. There is definitely air in the block, also causing rad fluid not to flow properly. A good block and rad flush are in order, as well as a new water pump.

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