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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / May 2007Air filter
When I wanted to look at the air filter in cars of the past, I think I just had to remove a wing nut to remove the filter cover, and the filter would be lying there loose, to simply take out. But when I look at a 2002 Ford Focus, I see at least six screws that seem to need to be removed to open the filter cover. Are they trying to discourage people from taking frequent looks at their filters, or what? Back in the days of strait sixes and V8s with carburetors a single wing nut was all that was necessary. With shaky four bangers it became common to use multiple fasteners to reduce vibration. On modern vehicles with plastic air filter housings there are usually four fasteners. > When I wanted to look at the air filter in cars of the past, I think I just > had to remove a wing nut to remove the filter cover, and the filter would > be lying there loose, to simply take out. But when I look at a 2002 Ford > Focus, I see at least six screws that seem to need to be removed to open > the filter cover. Are they trying to discourage people from taking > frequent looks at their filters, or what?  SignatureMike Walsh West Palm Beach, Florida, U.S.A. > When I wanted to look at the air filter in cars of the past, I think I just > had to remove a wing nut to remove the filter cover, and the filter would > be lying there loose, to simply take out. But when I look at a 2002 Ford > Focus, I see at least six screws that seem to need to be removed to open > the filter cover. Are they trying to discourage people from taking > frequent looks at their filters, or what? couple of reasons for changes. One is different shaped air filters, such as rectangular ones. And, regardless of shape, the filters are sealing better against unfiltered air leaking around filter. There are good gaskets and they need to be mated to a flat surface well. Yeah, on all cars they are a bit harder to change, but the talent of the designer involved determines how MUCH harder. Some are not bad at all. Since most folks now get their filters changed by someone else, it isn't as big a requirement to keep it simple. > When I wanted to look at the air filter in cars of the past, I think > I just [quoted text clipped - 6 lines] > the filter cover. Are they trying to discourage people from taking > frequent looks at their filters, or what? Is it a 2002 Focus, or a 2003? A 2002 Focus has a conventional air filter with snap type retainers on the cover. Some 2003 Foci (with 2.3L I4 PZEVengine) have a lifetime air filter. Leave it alone. See http://www.visteon.com/utils/whitepapers/2005_01_1139.pdf Ed "C. E. White" <cewhite3@removemindspring.com> wrote in news:46432241 @kcnews01: > Is it a 2002 Focus, or a 2003? A 2002 Focus has a conventional air > filter with snap type retainers on the cover. Some 2003 Foci (with > 2.3L I4 PZEVengine) have a lifetime air filter. Leave it alone. See > http://www.visteon.com/utils/whitepapers/2005_01_1139.pdf It's 2002. If it has a snap type retainer, does it also have 4 screws or bolts holding it down, and 2 more on the side for the air connector? And it somehow snaps open with those screws or bolts still in place? > "C. E. White" <cewhite3@removemindspring.com> wrote in news:46432241 > @kcnews01: [quoted text clipped - 9 lines] > And > it somehow snaps open with those screws or bolts still in place? After further review, it looks like I was wrong, the 2002 Focus does use four screws to hold down the air filter box cover. No snaps, just screws. Sorry for the incorrect information. See http://www.focushacks.com/index.php?modid=36 . Ed |
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