The anti-drain back valve in the filter helps prevent the lifter noise, but if you already have it, you may need to do an adjustment. This is a known problem for the Sportage engine and it will only come back later. The problem I see with the instructions for the adjustment is that it asks you to bring the engine up to normal operating temp. By the time you get to this temp the knock goes way.

I've already done 3 sets of bearings on my Sportage. The design is poor and does not give you enough fine adjustment to be able to tighten them correctly. It's either too tight and you ware out the bearings early, or not tight enough and you get a lot of slop and ware out the bearings early. Make sure you use high quality grease when you do it. I'd recommend synthetic.

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