robertbelli13@gmail.com Posted March 28, 2018 Share Posted March 28, 2018 my 07 impreza started ticking a while ago. but only seems to get worse as time goes by, and only when the engine starts to warm up. my first Subi and I love it!!! hoping someone can help easy my worries please. any info is welcome thanx Quote Link to comment Share on other sites More sharing options...
el_freddo Posted April 11, 2018 Share Posted April 11, 2018 Probably the cam belt tensioner needs replacing. I had a new aftermarket one die within 20k km. Replace with a genuine unit if possible! CheersBennie Quote Link to comment Share on other sites More sharing options...
idosubaru Posted April 11, 2018 Share Posted April 11, 2018 1. Piston slap. If it goes away or lessens as it warms up, that’s classic slap 2. Replace the Timing belt tensioner. If a complete timing kit hasn’t been installed then install an Aisin timing kit. Replacing the belt only is such a poor decision I don’t understand why mechanics do it as a rule, it makes no sense at all mechanically or financially. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted April 11, 2018 Share Posted April 11, 2018 A mechanics stethoscope and isolating where the noise is coming from may help - left, right, center, front, back...may be helpful. Quote Link to comment Share on other sites More sharing options...
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