Thread: 2.2 Puma air filter

I think its 24 mo or 40,000km

Thanks Grappler

I changed mine at 10k. It was filthy and it hadn't done much that wasnt sealed roads..

Hi Andy,
I have the 2.4 ltr Puma but she has been serviced every 10,000km. ( just did the 60 k service ) I have changed my airfilters every time & feel they always needed doing. Mostly country tar driving. Raised air intake fitted so in theory up out of the worst of it.
My theory is change them often & use a little grease around the sealing rubber, it really is cheap insurance.
Regards Chris

I agree, every 10,000 if you go offroad

Originally Posted by Bess

...
My theory is change them often & use a little grease around the sealing rubber, it really is cheap insurance.
...

Sorry but your theory is wrong. Air filters let the most dust into your engine when they are new. Changing them too frequently is bad for your engine.

Have a search for my posts explaining how filters work. Heavy vehicles have pressure guages on the air inlet and only change the filters when the pressure drop gets too high, as this is best for your engine.

Im all for restriction indicators / service gauges on air intakes. i.e. don't touch, dont even open the air cleaner until it *needs* to be replaced.

Originally Posted by isuzurover

Sorry but your theory is wrong. Air filters let the most dust into your engine when they are new. Changing them too frequently is bad for your engine.


Have a search for my posts explaining how filters work. Heavy vehicles have pressure guages on the air inlet and only change the filters when the pressure drop gets too high, as this is best for your engine.

G'day Ben ( I think)
No need for sorry mate, Iam a firm believer in taking advice and using what works.

I tried searching your posts & did a general search on air filters but there's just to many & hard to filter the good the bad & the ugly!

So I can see the theory that a airfilter will do just that as it becomes loaded ( restricted by debris ? ) All filters must allow some particles through with the clean air , talking automotive designed filters built to a cost factor here!

As my vehicles do not have a preasure gauge fitted to the air intake I don't know when the filter has reached its maximum flow to loaded ratio without constantly checking it & even then making an educated guess.

I use the change them often theory from seeing way to many engines prematurely fail due to a lack of maintenance & being dusted.

I always inspect the air inlet tract ( on the engine side ) when changing out filters for dusting to confirm the filter & sealing of the airbox has been working.So far this has worked for me.

Having worked in the heavy haulage industry I feel that the cost to work ( km's ) done is also a factor in the operators mind when changing out expensive airfilters. The serious players have this worked out down to cent.

At the end of the day we have to make a decision on what we can afford & what we believe to be the best for us.

Manufactures do that for us now by setting high service intervals to show low running costs & to help with there sales brief.

I don't disagree with the leave them in longer theory, I just sleep better doing it my way.

Thanks for sharing your knowledge & experience, it all helps to make a great forum.
Best regards Chris.