Where Is the Crankcase Breather Filter on a 1991 Ford F-150?

Answer Ford's 1991 F-150 series vehicles come equipped with a positive crankcase ventilation system that returns blow-by gases from the crankcase back into the intake airstream to be burned off as part of... Read More »

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How to Change the Air Filter on a 1991 Ford Escort?

The 1991 Ford Escort uses a standard paper air filter, which is easily accessible in the engine bay. While Ford recommends using genuine Motorcraft replacement parts, a number of aftermarket substi... Read More »

How to Replace a Transmission Filter on a 1991 Ford Escort GT?

In 1991, the Ford Escort underwent a fairly drastic overhaul, eliminating the old boxy-style body in favor of one that mimicked the popular Ford Taurus. Ford also offered the 1991 Escort in a GT mo... Read More »

How to Change the Fuel Filter on a 1991 Ford Explorer?

If you haven't changed the fuel filter on your 1991 Ford Explorer in a while, odds are you're experiencing poor fuel economy, possible rough idling and, in extreme cases, stalling and no-start cond... Read More »

Where is the fuel filter in my 1991 GMC S15?

The fuel filter in the 1991 GMC S15 (the predecessor to the Sonoma and S-10) is mounted on the frame rail on the driver's side, in front of the fuel tank. It's necessary to access underneath the ve... Read More »