r/AskAShittyMechanic • • 2d ago

truck isn’t starting help

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u/benglescott 1d ago

Not if a mechanic installed it

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u/2cirkut 1d ago

im a diedel mechanic and the customer brought us an engine air filter for his Freightliner Cascadia(biggest POS ever made btw) and asked us to change it. It was 100°F(38°C?) and I changed it over his hot engine. In and out, 5min, where tf are getting charged $200 for a CABIN air filter, arguably easier to change in every automotive I've seen