PCV vacuum line astro 1989

PCV vacuum line astro 1989

Postby ScorpioZ [OP] » November 29th 2018, 4:45pm

Hey , do you know the location of the pcv vacuum line on the 1989 astro ? Because i want to spray seafoam in it . After i discovered like 1 cm of carbon buildup ... Or do you know a better product ? Thanks
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Re: PCV vacuum line astro 1989

Postby bowtie262 » December 3rd 2018, 3:09pm

PCV, Valve is fitted into the passenger side rocker cover (push fit). The vacuum pipe runs from there.

Don't know much about Seafoam, (over here in the UK).
I've read about it,, not really sure if it actually works, etc.
So cannot comment on what you are doing.
Where is this carbon build up you talk of ??

If it really works to 'de-coke' engines without stripping, I'd like to know !!

Post, on here, what you did, & tell if it worked for you.
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Re: PCV vacuum line astro 1989

Postby markmitch » December 3rd 2018, 4:32pm

it goes from the PCV valve in one of the valve covers to the large port in the middle on the front of the TBI unit.
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Re: PCV vacuum line astro 1989

Postby ScorpioZ [OP] » December 6th 2018, 4:08pm

The carbon build up is kinda everywhere to be honest , each thing i removed from the engine was cover in carbon (egr clogged and behind the egr 0.5 cm of carbon ) same ast the e manifold thanks
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Extra Info: 4.3 V6 RWD


 
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