When using the vents, getting gray insulation looking like particles from the vents. Pulled the blower motor and cage. all ok. Any idea where this might be coming from. removed the cabin air filter, it was dirty but not excessively.
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Re: Gray insulation particals from the air vents
It's actually coming from the vent tubing itself. You can remove all the vent ducting and clear it all or if it's not too irritating leave it for now. Eventually it will stop or have to be cleaned out. This is due to the age of the material not anything that was done.
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Something with the power steering system maybe the pump. Easy way to check out look at the steering fluid for gray particles dip your finger into resivor getting fluid on it whipe finger on white tissu. Fluid should be pinkish in color any gray is bad or a burnt smell. Could also be your steering rack
this is a tip for all those who are looking for free diagrams, free diagrams are very hard to get... allthough most of us have access to diagrams, copywright laws prevent us from posting the diagram for free. alot of people ask for picture diagrams of what they are working on but most of the time there is not even a diagram in the vehicle service manual- your best bet with diagrams is to actually go to the dealership and ask them to print you out 1... they will most likely help u with this at no charge at all. the parts catalog that they use usually has an "exploded veiw" that shows what parts hook to the part your looking for. i also hear that autozone has something on ther website thats kinda like a service manual. so basicaly what i'm saying is there is no "free" manual or diagrams out there. hope this can save you a little time, and good luck.
Sounds like a broken vacuum line..When have no vacuum it defaults to defrost...Check outside by the firewall on the passenger side..There should be a black and gray vacuum lines..Trace each one down and look for one of them broken or unplugged..They are notorious for that...
Seems like the dampers are partically closed,look under steering column and see your duck work for the vent system.Follow it back to the blower box.Unhook if there, turn on ac, if you get full air, nice and cold on low and high you have blockage in your vent duct work,check the vent line that diverts air to the diffrent selected vents. Also check for vent disconnection around sterring column,and defrost vent area.
If the blower motor is capable of working on all the speeds but you only get wisp of air out of the vents then the fan side of the evaporator core for the a/c may be coated with crud and debris which is restricting most of the air that the blower is moving. Usually this problem comes on fairly slowly until one day it is realized that hardly any air is coming out of any of the vents even with the blower on high speed. The blower may even sound like it is working harder than it should to create this little bit of airflow. The fix for this is to remove the blower motor and look into the plastic air plenum with a mirror or flexible borescope and check the a/c evaporator for a thin coating of gray crud. If it's present then I use compressed air and a long blow nozzle [bent to get close to the core] and blow the crud loose. You may not get it all but usually you can blow out enough of it to get back 90% of your airflow. If however your blower doesn't work on every speed then you may have other electrical issues that are preventing the blower from reaching full speed.
red black and gray are just half the connections. Red is positive 12 volts coming from fuse of circuit breaker. The black wire is either the ground or the main hot wire going to the blower motor (3 pin connection only), and the gray wire (if is is small in size) is a variable voltage coming from the body control module requesting speed for the blower motor.The blower control module varies voltage on the main wire going to the blower motor, supposedly in accordance with the requested voltage from the body control module. Usually if all fuses are okay and present on the apprpriate wire of the blower control module, the a blower motor that will not run or stays running after the key is turned off is the fault of the blower control module. If the blower control module has failed the the cause must be determined (over amping blower motor) or else new blower control module may fail when powered up.Usually blower control modules have more than three wires. Usual connections are: B+ (battery voltage) GND (chassis or engine ground), two large wires going directly to blower motor (can be any color, but are usually 10 guage in size), and an optional wire that reports voltage level back to the body control module.