Question about 2009 Hyundai Tucson

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Have a Hyundai Tuson. Worn out cam shaft gear after 107000klms. Rockers worn, cross heads worn. Cam shaft marked a lobe. Can these cams be ground or will you have lifter problems.

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If all these parts have wear marks then all the components will have to be replaced with can have the cam reground but its probably cheaper and quicker to replace with new by the time you find a place to weld regrind the lobes and get the part back and hope it won`t give you a problem,so you don`t have to tear down again.

Posted on May 21, 2011


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What caused these gashes on my cam shafts it's a BMW 325i Is the car salvage or is it gone?

exactly what are we looking at
if it is the score lines in the cams, that will be normal for a running part running on a stationary cam follower
if it is the 2 marks between the cam lobes , there is nothing to worry about
cam shafts are made in a hammer process to compress the grain of the shaft and them ground for the lobes and bearings
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the noise is most likely from worn hydraulic lifters rather than cam shaft
the key is your statement that the noise is worse when starting up
Cam shaft noise will be constant with rpms but lifter noise will decrease as the oil pressure builds up
At the klms you state , it is time for a hydraulic lifters set to be removed and have a leak down test done as they will be showing signs of wear
Find an accredited service shop that specializes in your make of car , have the noise properly diagnosed and get a quote for repairs

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