I've read in another thread that a Toyota service centre alternate the replacement of the tailshaft filter and underbonnet filter every 20,000k. So each filter sees 40,000k service life. I thought that the OEM underbonnet filter only needed replacing when the dash light came on. So I guess in this case, Toyota are ensuring that a vehicle serviced by them is problem free for the customer (by changing the underbonnet filter regularly).
I have installed a pre filter (aftermarket filter) in my engine bay, and I'm led to believe that should this block up, it will also engage the dash light.
I'm left wondering though, what service schedule should I apply to these 3 fuel filters? I'm thinking of alternating the replacement of the tailshaft and pre filter every 20,000k - change the OEM underbonnet when the dash light comes on (if ever).
Would this be ok? What are others doing?
I have installed a pre filter (aftermarket filter) in my engine bay, and I'm led to believe that should this block up, it will also engage the dash light.
I'm left wondering though, what service schedule should I apply to these 3 fuel filters? I'm thinking of alternating the replacement of the tailshaft and pre filter every 20,000k - change the OEM underbonnet when the dash light comes on (if ever).
Would this be ok? What are others doing?
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