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#1
05-14-2018, 08:39 AM
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Ticking noise 2003 GMC 2500 8.1 litre pick up
Trying to figure out what the ticking noise could be. It started a couple months ago.
Can only hear it when the engine is driving under load, at idle no noise. In park no noise. Seems like it could be coming from the passenger side of the engine. I tried running premium gas, no help. Tick gets quicker as the truck get faster, I laid under the truck while running in park and do not hear any exhaust leaks. Wouldn't a lifter tick all the time? Engine runs and idles great, has always been a gas hog. What could it be, all input welcome, Bob
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"Artificial intelligence is no match for natural stupidity". 1966 GTO Post Coupe, 467ci. N/A Pump gas, best 1/4 11.6 118mph 1966 GTO Post Coupe, "The Bright Idea" 535ci. N/A Pump gas, best 1/4 9.56 139mph |
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