Civic 96 Vtech Engine Overheating Problem

My civic 96 overheats from last 3 months first radiator became dry in
week, then I noticed that air bubbles keep coming in radiator and in
acceleration more bubbles were visible, I changed the head gasket, but
it still overheats no crack in head, I removed the Thermostat Valve so
coolant go directly with out waiting for pre heating and also wanted
to check that either its Thermostats Valve problem or not but no
successes then I put the radiator fan to direct (with engine switch
and fan keeps on when engine is start) but have same problem, the
thing I noticed is that when car overheats its makes high pressure in
radiator I checked it by pushing Hose pipe, when I turn on the A/C
temperature keep rising like rocket, coolant level is not reducing
after head gasket replacement, when I shift gear on 2500 to 3000 rpm
car started to heat up very fast, and if I stop the car its Temp gauge
came to 50 % be in mind that fan is direct so Temp should not go
beyond 25%, and I checked it with my friend same model car by putting
his fan direct for a week, his temp gauge never goes up, please
advise me what to do, also checked the water pump and its pressure its
working fine there is no leakage in cooling system, all the hose pipe
are already replaced.

Regards
Akif

 

When you took the head off did you have it checked by a machine shop
or did you just do a visual inspection yourself? Are there still
bubbles in the radiator? Did you before and do you now have any water
in the oil? How did you check the water pump pressure? How many miles
are on the car?

 

Yes Head was checked in the machine shop before fitting the Gasket I
also checked the head level either its head need any leveling
(Grinding) but it was smooth, after replacing head gasket bubbles
stopped, no water in oil observed so far, water pump was checked
visually first, then the outlet hosepipe was disconnected from the
radiator and by accelerating the vehicle visually observed the
pressure and it was fine, 96000 Miles are on the Car.

Regards
Akif

 

I'm confused. You say your car is "overheating" but then say the gauge goes
to 50%.

More details please on the exact nature of the "overheating", and keep it
short this time.

Does the gauge try to go into the red (much higher than 50%)? Is the rad
plugged or silted up? Does it still have all its fins?

 

When I stop the car temperature started to decline and stopped at 50 %
but when I drive it started to go up to 80 % with in 5 mins and on A/c
its went like rocket, on 80 % I stopped my car every time didnt took
risk for looking it to go red, Rad is 3 months old, bought genuine
Honda, also flushed the radiator at the time of changing Gasket.

Akif

 

Sounds like maybe the radiator is no good. Does turning the heater on
hot make the temp go down?