my nissan 1993 maxima SEthe AC is not cold at all this year it ran perfect the year beforecan the water pump pressure really affect the AC?how much should a new water pump cost for my car?
It okorder Email me through my profile page if you have any more questions. OK, do it yourself instructions... you will need: -at least 2 (12 oz) cans of R-134a refrigerant -hose with piercing stem that attaches to R-134a can and to your low-side service port (never connect to your hi-side service port) -1 can of Super Seal (comes with basic hose...not with psi gauge) -gloves, long sleeves, pants, (you want to keep covered just in case) Directions: 1. Locate low side service port. 2. Turn on vehicle and set a/c to max cool. 3. Attach hose to can of Super Seal..
The water cooling system for the engine (radiator, water pump, hoses, etc.) is completely separate from the air conditioning system. The water pump moves water from the radiator (where the water is cooled off) to the engine where the water travels through tubes in the block, picking up heat (cooling the block) and then returns to the radiator. A failing water pump would not cause burning antifreeze. It would cause overheating by not moving the water, or not moving it fast enough. The smell of antifreeze in the exhaust (a sweet smell) usually makes me think of a failed head gasket or a cracked block. The water is somehow getting into the combustion chambers from the tubes in the block. If the engine has been overheated it is not unusual for the head gasket to blow or for the block to be damaged. Take your car to a reputable mechanic - not a buddy who works on his own car in the back yard. Ask friends and family who they go to and what they have experienced. There are good, honest mechanics out there. Find one and have him check out the car. Pay him for his training and experience. It will be cheaper in the long run than going to the cheaper guy working in his driveway.
You must know water pump is for cooling your motor ,by moving water around inside , AC has a pump or a compressor , Inside is a gas , under pressure the gas get cold when the cold lines are put in a space with a fan it makes cool air for you inside your car!!! All you may need is some more cooling gas for your AC pump
It sounds like you have a leak in the AC system and are low on freon. The low pressure switch is cutting off the compressor to keep the system from freeaing up and damaging the whole system. The water pump has no connection at all with the AC system. Call a Nissan dealer and ask for an estimate on the water pump job. Also call some places like autozone and see what a new water pump would cost there. good luck.
