SOURCE: 2002 nissan altima
One of your vacuum hoses might have a hole or cut and this will not allow the door for the Fan to open. Check all your vacuum hoses at the engine.
SOURCE: 1993 nissan altima engine problems
how many miles on engine?
..stop, get quotes for rebuilt complete ../and complete low mileage used motor to compare before spending any more money
SOURCE: NO HEAT IN 2002 ALTIMA
you may need ot do a cooling system flush, go buy a bottle of radiator flush, put it in the radiator when it is cold, run the car for about 15 mins, and go up to the car wash and take the upper rad hose off, and use the power washer to push all of the gunk and anti-freeze through the system. do it until it runs clean.... let the car run for 2 mins with the hose off after flushing and buy straight antifreeze, not 50/50. add it to the radiator, you should have heat.....
If this does not work, then your control unit in your dash may be bad....
SOURCE: Nissan Altima no cool air blowing or hot air blowing
Hi!
It
appears we have an Air lock scenario and you will need to perform a
system Bleed.
Park
the vehicle on level ground, when cold remove coolant filler cap,
start engine and leave to idle, turn heater on full and blower to
max. When engine reaches operating temperature watch and listen near
coolant filler, keep clear as gurgling and hopefully a boil over
should occur. Top up with very warm coolant and wait as it may do it
again.
Check
for heat inside vehicle if warm replace coolant cap but keep an eye
on temperature gauge as the ~Air lock may have moved on from heater
matrix/core so proceedure needs to be carried out again from COLD.
Please
press the Blue button to appraise my FREE Efforts, Thank You!
Paul
'W' U.K
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