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2004 gmc envoy_slt_xuv
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Discussion Starter #1
Hi,

I have a question and need some advice. I own a 2004, 5.3 V8, XUV.

I have removed the TB and it is caked with black tar, now the housing that the TB connects to looks like a tube about 4 inches round, it is connected to the engine block is this the manifold?

Anyway the question is should I clean this tube with TB cleaner? It is also caked with this black tar. If I do spray TB cleaner into this tube will it harm the engine? Should I spray cleaner into this tube and then wipe it out until it shines like the TB?

Thanks, as always this site rocks.

Griff
 
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