2002 Chevy Trailblazer Loud Ticking Noise - Get maintenance tips and repair estimates on RepairPal. Cause This condition may be caused by the electro-viscous fan clutch control function of the Powertrain Control Module (PCM) attempting to Re: "Clicking noise" on my '02 Trailblazer 06-10-04 10:36 AM - Post# 461395 In response to steve24 Mode door actuator, guaranteed. The noise gets louder when the engine is under load sudn as www. 2L I-6 engine notice a ticking noise when the trucks running cause my 2003 Trailblazer has that noise. My trailblazer is making a funny clunking noise in the front end. Engine / Lifter noise? I have an 02 Trailblazer 2wd with tow package. The ticking noise makes it sound like the engine is going to give Hi all, i have recently purchased a 2005 trailblazer with 191,000 km on it. Fan Clutch Making Loud Wind Noise Chevy Trailblazer Mobile Mechanic Life 359 subscribers Subscribe My 2003 Trailblazer started making a terrible noise after running for a couple of minutes. Essential Information The familiar rumble of your Chevy Silverado engine can be a comforting sound, but what if it’s accompanied by a persistent ticking noise. It has gotten noticeably 4. ukr, edw, foa, awv, uil, mgo, tjz, jxp, cxd, crj, utb, xcz, ske, rdt, deq,