I own a 86 gn and I just got done restoring it. I have replace just about every bolt on under the hood, and it makes a wierd humming/knocking noise when i reve in up with the ac on. I sounds like a bolt is loose but i check them all, and it still does it. Oh and it only does it when the ac is on, but i have everything for that. Please let me know if you know what to do. Thank you.
Wierd Noise
- Thread starter 19aD6Gn
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DailyDrifter
The Slow and the Curious
- Joined
- Dec 5, 2007
- Messages
- 5,118
Could be the compressor going out. Check the bolts on the accesssory bracket, I had a stripped PS bolt that was loose 
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.mikestertwo
Well-Known Member
- Joined
- Sep 13, 2006
- Messages
- 5,249
Check you belt tensioner.
bmackinnon
Active Member
- Joined
- Feb 24, 2005
- Messages
- 2,092
yup.... sounds like the tensioner...
