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Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

AC cycling on and off when hot.

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Old 08-21-2006, 08:22 PM
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Default AC cycling on and off when hot.

I have a 95 accord ex.
AC cycles on and off when it is warmed up and I am at idle. If I'm driving, it works fine.
Fans shut on and off also.
When this occurs I hear a popping or knocking noise from the passenger side behind the glovebox approx.

I cleaned radiator fins with water and washed alot of dirt out.
It did help and now takes a bit longer before it starts cycling.

My friend says it's not pulling enough air through the radiator and causing it to overheat and the high pressure relay to cycle. When the car is moving more than 20 mph, it works fine.


Any other help would be great.
RK
Old 08-21-2006, 09:07 PM
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Default Re: AC cycling on and off when hot. (rokko)

was the system recently recharged? If it was, it most likely has been over charged.
Old 08-23-2006, 06:12 PM
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Default

It hasn't been recharged since last year.

I suspect a relay going bad or I need to really clean the radiator properly.
Old 08-23-2006, 07:34 PM
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Default Re: (rokko)

I have the exact problem. I brought my car to my mechanic and found out that a switch is loose and not connect properly to the radiator (I think, sorry I'm not expert in car). That's why you get on and off air-cond. You might want to look that up. Mine is a 98 EX and the switch is just in front of the radiator on the passenger side. Let me know if you got any question. Once you connect it firmly, the problem solved!!

Good Luck.
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