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As stated, my brake pressure is low to non-exixtence when the temperature is in the 80's. When it's cool out I have no pedal pressure at all. I live in FL and in hot weather their great. Is it the booster or something else??
OP, you need to state the problem more clearly before I can understand it anyway. All I can tell is that you are not satisfied with something about your brakes when the temperature is below about 80 - I think that's what you are trying to say...
My brakes work fine when the ambient temperature is around 80 deg., I have a full pedal. Yet when the temperature during cool or cold weather is in the 70's or 60's or lower, I have brakes, but the brake pedal goes to the floor or I have to pump the pedal hard or quickly to get anykind of pressure on the pedal. Sorry, I mean't to say 70's not 80's. I hope this is clearer.
take it in to the dealer, wait i bet its not under warranty anymore huh?
yea have the mechanic check your booster ( least likely to be the problem) have them check to see if it is leaking(air)
also check your brake lines
wheel cylinder could also be leaking
check your master cylinder ( its sits in front of your brake booster) and check the fluid in that.
it could be so many things because from what you described i don't think you have an idea either
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