Summary
On diesel applications, a restricted air filter may result in a power loss, the air filter collapsing or coming apart and being pulled into the turbocharger. Sometimes the filter will lose its seal with the housing, or it gets pulled into the housing, allowing contaminates to be drawn into the engine, resulting in major turbocharger or engine damage. Some of the diesel applications make for a difficult filter installation, whereby damage to the filter or housing is easily incurred. Do not let the vehicle leave in this condition. Diesel air filters are reinforced for strength. If the correct filter is not installed, the filter will likely be shredded or sucked into the turbo. While there may be similarities, filters for gasoline applications cannot be interchanged with diesel applications.
Most diesel applications are fitted with a service minder to warn the owner or technician of a restricted air filter. Sometimes you will encounter a service minder that indicates a filter restriction, but an examination of the filter does not reflect a contaminated filter. Most often this is due to water or snow being pulled into the air intake. The water or snow seals the filter media and the engine will try to ingest the filter. This is usually evidenced by a deformed filter or the filter pulled from its mounted position. Making a filter strong enough to withstand the pressures of a restriction is not the solution, as it will result in a deformed air filter housing.See the full content of this document
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On the Line
Does your lube service technician understand there is more to an air filter inspection than looking for a dirty air filter? Make certain he understands the liability a damaged housing can be to the shop, especially if he fa...
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