The low pressure schrader access valve on a 99 caravan 3.3 L is right in front of you when looking down a the compressor. Its on the larger low side return line which is on top coming from the firewall. The high side line usually on the right side follows the path back down under the compressor to the condenser.
The heater on a 1999 Caravan doesn't have a heater valve. The temp is regulated with a blend air door that is controlled by the body computer and climate controll head.
On the 3.3 its located on the rear valve cover. Theres a hose runnin strait to it, about mid cover.
A 1999 Dodge Caravan does not have a cabin filter.
will a 1999 voyager brain work for a 1998 dodge caravan
A 1999 Caravan does not have a cabin filter.
It is top right hand of motor towards the back near intake manufold.
The thermostat on a 1999 Dodge Caravan is under the housing where the upper radiator hose attaches to the engine.