I was reading through the owners manual for my wife's HHR and the service schedule calls for air filter inspection every two oil changes and replacement at 50K miles? Can an air filter really go 50K miles? It would be nice if true because changing the air filter in this car is a real bear.
HHR schedule 50K miles air filter replacement?
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I pulled the filter on my HHR at 25,000 miles and it looked fine, put it right back in. But I rarely drive in dusty conditions. If my use were severe and it saw dust and dirt a lot I would consider changing early.
Keep in mind, an air filter will perform better as it ages. A new filter lets in far more particles than a dirty filter...changing too often is probably worse than not changing often enough.
Keep in mind, an air filter will perform better as it ages. A new filter lets in far more particles than a dirty filter...changing too often is probably worse than not changing often enough.
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
I do mine every 20K-35K, depending on how it looks
Originally Posted By: k1rod
Can an air filter really go 50K miles?
Absolutely. That said, how long it will last will depend quite a bit on your driving conditions. I really think your best best is to remove the guesswork out of it and install a restriction gauge. Otherwise, you really won't know if the filter is or is not in need of changing. They're cheap and easy to install, and if it saves you 1 or 2 unnecessary filter changes, it'll pay for itself.
Can an air filter really go 50K miles?
Absolutely. That said, how long it will last will depend quite a bit on your driving conditions. I really think your best best is to remove the guesswork out of it and install a restriction gauge. Otherwise, you really won't know if the filter is or is not in need of changing. They're cheap and easy to install, and if it saves you 1 or 2 unnecessary filter changes, it'll pay for itself.
Originally Posted By: bepperb
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
Originally Posted By: R2d2
Originally Posted By: bepperb
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
NM
Originally Posted By: bepperb
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
NM
Last edited:
Originally Posted By: JOD
Originally Posted By: k1rod
Can an air filter really go 50K miles?
Absolutely. That said, how long it will last will depend quite a bit on your driving conditions. I really think your best best is to remove the guesswork out of it and install a restriction gauge. Otherwise, you really won't know if the filter is or is not in need of changing. They're cheap and easy to install, and if it saves you 1 or 2 unnecessary filter changes, it'll pay for itself.
+1 A clean filter isn't as efficient as a dirty one and a dirty one doesn't let any more dirt though. The possible exception is when restriction reaches a very high level and it may start to suck some thru (usually happens only to poorly constructed filters).
The only downside to a dirty filter is a potential loss of power at WOT, but since many (if not most) filters have a 40+ percent overage in airflow capability to account for a dirt load, a WOT power loss will not show up until the filter is 40 % plugged. Just cruising around at part throttle, you may not see any changes until the filter is 80 percent plugged.
A restriction gauge will tell you exactly the right time to change the filter so you get the most use out of it. The general rule of thumb is to replace a filter when the restriction increases 2.5 kPa (0.75" mercury) over the stock clean filter reading.
Changing it before it's really needed may give you a warm and fuzzy feeling, and that's OK, but please don't fool yourself (or others) into thinking it's beneficial to the car.
Originally Posted By: k1rod
Can an air filter really go 50K miles?
Absolutely. That said, how long it will last will depend quite a bit on your driving conditions. I really think your best best is to remove the guesswork out of it and install a restriction gauge. Otherwise, you really won't know if the filter is or is not in need of changing. They're cheap and easy to install, and if it saves you 1 or 2 unnecessary filter changes, it'll pay for itself.
+1 A clean filter isn't as efficient as a dirty one and a dirty one doesn't let any more dirt though. The possible exception is when restriction reaches a very high level and it may start to suck some thru (usually happens only to poorly constructed filters).
The only downside to a dirty filter is a potential loss of power at WOT, but since many (if not most) filters have a 40+ percent overage in airflow capability to account for a dirt load, a WOT power loss will not show up until the filter is 40 % plugged. Just cruising around at part throttle, you may not see any changes until the filter is 80 percent plugged.
A restriction gauge will tell you exactly the right time to change the filter so you get the most use out of it. The general rule of thumb is to replace a filter when the restriction increases 2.5 kPa (0.75" mercury) over the stock clean filter reading.
Changing it before it's really needed may give you a warm and fuzzy feeling, and that's OK, but please don't fool yourself (or others) into thinking it's beneficial to the car.
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Believe in the 50K change if you check it as recomended. Most people change too often because filters get more efficient as miles go by, up to a point.
Originally Posted By: R2d2
Originally Posted By: bepperb
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
Only if it is under extreme conditions.
Originally Posted By: bepperb
I think Honda is 30,000 miles. I guess the inspection might mean replacement in some locations.
On my new Accord it's every 15,000 miles as per the manual (and a 60k mile timing belt change aargh) a little conservative IMHO.
Only if it is under extreme conditions.
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