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New Middletown, OH
every 50,000 miles
could be a few thing there.if your temp guage is atleast 160 you should still get some heat.if its 160 and blowing cold air then back flush the heater core.if its less then 160 then the pump impellers are going bad.see if there any coolant seeping out the weep hole on the pump,that will give you an indication that the water pump is failing but hopefully its not.
yes,should be about 1200 rpm's
get yourself a haynes book for about $20.it will tell you how with a utility knife.its on the passenger side firewall behind the plastic.it actually tells you to cut the plastic in the event you need to change the blower motor.
you'll have to take out the washer tank.
thats not uncommon,www.modulemaster.com can rebuild that switch for $10 and very simple to change out.
i just worked on a 2000 grand caravan with the 3.8l awd.the belt has come off three times this summer that i know of.this past sunday i was told it was shredded so i put a new one on and 20 mins later the customer told me it fell off again.he says everytime he drives it in the rain its coming off.it has a new tensioner,1 new idler and a new water pump also.
good question.multifuntion switch if installed on your vehicle would need cleaned with electrical contact spray,otherwise it would be the wiper motor pulse board module and it would be cheaper to replace the wiper moter completely as the wiper motor pulse board module is allready in it.
like greg said but i would also check for exaust restrictions as that will kill your engines power.
possible broken wire but most likely a brake light switch.