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05-21-2013, 12:36 PM #1
- Join Date
- May 2013
08 Suburban - Loud Clicking Noise on Start
We have an issue with our 2008 Suburban that several shops have not be able to resolve. Any help is appreciated...
Randomly (once a week), after the vehicle is started (about 1-3 seconds), a very loud ticking noise is heard for about 5-10 seconds. It sounds like a fan spinning and hitting a screw or something. Loud, embarrassing noise. ;) It sounds like it is coming from under the hood - sorry I can't be more specific.
Since it is very random, no mechanic can reproduce it to troubleshoot. Has anyone else had this issue before or could share some insight?
Thanks in advance!
05-21-2013, 01:46 PM #2
Unfortunately, with it being so random it will be almost impossible to diagnose until it gets worse. It could be almost anything. A pulley bearing going bad, an HVAC actuator going bad, a failing AC compressor clutch or relay causing it to cycle on and off rapidly are some things that may cause the clicking noise.
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
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