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I"ve not used the Seafom cleaning method myself.
but from what budfreak says, if it cleans the IAC and plates and cold start valve. The IAC is bad to get small particles as are some fo the others, just that tiny bit of build up can cause issues.
According to the Service manual, A GM part number for an top engine cleaner is called for. even gives a procedure which takes it through the PVC valve. It doesn't like rubber so eh be careful here. BOth the directions and the manual say to let it sit before starting... since I'm a NOVICE and no expert...
For me anytime you induce cleaners to you intake. Change the oil.. afterwards.
I think I like this Seafoam idea better, and oh as for any coatings?
Well if there are any, they must be clear. THe only coating I've ever seen was black carbon that quickly vanished with a squirt of B12 chemtool. works well at removing any deposit/..
Of course Redline fuel system cleaner works Very well as a to maintain things, amsoils product works well I think... Jury is still out on that.
what can I say I like redline products.
svx1999
ps I got to do all of this and then some to my own.... I've been so neglectful.
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