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Cadillac Repair/93' Caddilac/Seville, low Klms, 17k., heater vent debris

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Question
HI:  orig...owner, usually o problems, but now I'm getting an few small pcs. black debris, out of my heater vent dash w/the blower on full.. Why?
     Signed    k    +   Scotty

Answer
Hello,

Open the hood and remove the plastic venting that the wiper arms attach to directly below the windshield. You do not have to remove the wipers at this time. Just remove the screws on each side and gently pull up the venting on each side. Put a light below and inspect for the black debris as described. Clean with wet rag. This is the outside air inlet for the passenger compartment. If you can decide what it is, you may be able to assess where the car was parked to take in this debris.

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Rob Painter

Expertise

Alarm system questions cannot be answered on this forum. These systems are not what I can answer. Without being physically at the vehicle and not knowing what kind of electrical service has been done on the vehicle, there is no possible way to give an accurate answer over the internet. My expertise is in Ignition/key based anti-theft systems. These issues include GM VATS (resistor chip in key blade) PASSLOCK (MRD)-ignition lock rotation based, no special ignition key and the PKIII Transponder (computer chip in key) systems. These systems are not alarm based and are integral with the starting of the engine. This is why I cannot diagnose alarm problems without physically looking at the vehicle: Alarm systems are a completely different annimal than ignition key/lock based anti-theft system. Many alarm questions come from vehicles 10 years old, and since older, many hands that had been involved over the years.I am an expert in all GM factory (ignition/key based)systems. Alarm system questions pose to many situations beyond my knowledge as to what has been done to the vehicle over the years. Some guy may have actually wired the stereo into the alarm system. Who knows? Over my past 30 years in vehicle wiring repair, I have seen unbelievable wiring disaters done by guys that consider themselves "mechanics." I have seen stereos and alarms intalled using surgical tape. I have seen modules burn up, un-fused circuits, wiring jambed between the doors and even lamp cord used for a starter kill. To answer alarm questions over the internet without examining the vehicle is like asking; What does it take to remove a dent?

Experience

Education/Credentials-ASE certified. 11 years with a GM dealer and 17 years with a repair facility dealing with only the repair of theft recovered vehicles.

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