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05-21-2013, 01:36 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, 02:46 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 http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
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