What did you do to your NBS GMT800 Tahoe/Yukon Today?

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MrBalll

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Put in four full cans of r134 and now have a 60 degree AC versus a 90 degree AC.
Much nicer now, albeit towards the end of summer, but fortunately Texas won't get cool for another month or two.
 

Tonyrodz

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Sucks. Any idea what it is yet?
No idea. My son was actually with me. He said sounded like a possible valve tap. Possible clogged hole in a pushrod. I asked him what he thought about Sea Foam. He said give it a shot, might unclog the hole. Idk tho.
 
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Rocket Man

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No idea. My son was actually with me. He saud sounded like a possible valve tap. Possible clogged hole in a pushrod. I asked him what he thought about Sea Foam. He said give it a shot, might unclog the hole. Idk tho.
Are you sure an exhaust bolt didn’t just pop or header gasket blew a hole? It sounds very similar to lifter tick.
 

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