Rattling sound in engine solved

05EnvoyXL

Original poster
Member
Dec 27, 2012
107
Hey guys. Had a issue with a rattling sound few weeks ago. Most thought it was the fan clutch or water pump. Turned out to be a belt tensioner assembly that went bad. Took the Envoy to my friends shop yesterday, replaced the tensioner assembly and installed a new serp belt. Engine sounds whisper quiet now. He pointed out to me how the assembly bounced up and down like it was posessed lol. When I checked it after he replaced it there was no play whatsoever, tensioner was completly stationary....nice LOL

Prolly wait til the end of march to do the water pump and accessories. already have the parts, just paying labor. What would this truck do without me hahaa
 

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