Quote:
Originally Posted by gwynethh
Can anyone suggest other maintenance that will be worth doing at the same time. If the existing gaskets stick and the manifold has to be fully removed things like PCV valve, IRIS o-ring installation, small hose upgrade to viton material etc. Worth while? Anymore suggestions?
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Most definitely replace the PCV valve if the IM is coming out!
I recently (2 months ago) replaced all my vacuum rubber hoses under the hood with
silicone hoses and have not had any issues. Ambient temperatures have been 70*F to -15*F and under the hood upwards of +250*F.
I recommend this as it will not harden, become brittle and break. I'm not having issues with it collapsing under vacuum as I made sure to order hose with a lot of body (3mm). The ID is 4mm (5/32") for both the vaccuum hose and the windshield washer fluid hose. Although my hands and fingers are fairly large I'm lucky that they're very skinny and was able to replace all the hoses under the manifold w/out removing it.
It wasn't easy. I was being gentle but still broke
EVERY single nipple under the intake manifold off in the process.
Thank God for super glue & JB weld!
Order 20 feet of silicone hose. You should have ~3 feet leftover if you do all hoses. You'll be set for another 20 years
