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CHAPTER 10 Vehicle Maintenance Inspection
SKILL DRILL 10-8 Inspecting and Changing an Air Filter (Continued)
4. Clean the inside of the air filter housing, and inspect it and any ducts for cracks. If the air filter is being replaced, obtain a new air filter and compare it with the old one to ensure that they are exactly the same.
5. Place the new air filter inside the filter housing, making sure it is aligned properly on both sides.
6. Replace the cover of the air filter housing and tighten the latches, screws, or wing nut until completely closed. Reinstall any induction tubing or clamps.
FIGURE 10-42 A typical location of a cabin filter.
(FIGURE 10-42). It is usually fairly easy to remove and replace once you find the access cover. The cabin air filter should be inspected during every service and replaced according to the manufacturer’s specified interval. Typically, this is once a year or every 12,000 to 15,000 miles (19,000 to 24,000 km). When inspecting the cabin air filter, use the same guidelines as for an engine air filter. Hold it up to a light, and look at it to see if the light shines through, or if it is blocked from being dirty. Also, check it for any cracks, tears, or deformities that would cause it to be ineffective (FIGURE 10-43).
LO 10-04 Perform under-vehicle inspection.
FIGURE 10-43 Cabin filters. A. Clean. B. Dirty.
The under-vehicle inspection is a systematic visual inspection of all major vehicle systems that can be accessed from below. Since these parts are not accessible from above, they often get overlooked. Also, because they are exposed to the elements, they are prone to additional wear and damage. With the vehicle safely lifted on a hoist, an under-vehicle inspection is a good way to get a feel for the overall condition
of the vehicle (FIGURE 10-44). Tire issues, leaks, worn parts, and structural damage can be found relatively easy. This allows you to inform the customer of any areas of concern before they become a real problem. Like all inspections, the results need to be documented on an inspection form. This can be done by
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