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how to fix pcv problem on silverado

53K views 4 replies 3 participants last post by  Dean508 
#1 · (Edited by Moderator)
valves.jpg


OK SO I HAD OIL COMING FROM THE DIPSTICK, VENT TUBES, OIL COOLER, AND INTO THE THROTTLE BODY, LOSING ALOT OF OIL, HESITATEING, SEARCHED ONLINE FOR THE ANSWER, ASKED MECHANICS, TOOK IT TO SHOPS, NO ONE KNEW. WELL I FINALLY FOUND THE PROBLEM A BAD PCV ON THESE TRUCKS WILL CAUSE THOSE ISSUES DUE TO POOR VENTALATION AND HIGH PRESSURE IN ENGINE CAUSES THE OIL TO FIND EASY ROUTES OUT WITCH IS THREW EVERYTHING I MENTIONED. SO I TOOK OFF BOTH VALVE COVERS BECAUSE IT WAS EASY. TOOK 10 MIN TO TAKE THEM OFF. AND CLEANED OUT THE PCV VALVE AND IT WAS COMPLETELY CLOGED, SO MUCH GUNK CAME OUT I WAS SURPRISED. NOW KEEP IN MIND MY ENGINE ONLY HAS 6000 MILES ON IT SO THAT MEANS DURING THE 204,000 MILES THEY PROLLEY NEVER CLEANED THE PCV SYSTEM. SO BOTH VALVES COVERS ARE CLEAN. AND IM INSTALLING OIL CATCH CANS ON BOTH VENT TUBE ON DRIVER AND PASSENGER VENTS TO PREVENT DAMAGING THE INTAKE MANIFOLD. AND THAT TAKES CARE OF THE PCV SYSTEM ON OUR TRUCKS, MY TRUCK IS THE 2006 VORTEC MAX WITH 6000 MILES ON ENGINE AND TRANS, AFR HEADS, THE PEOPLE WHO REBUILT IT DID NOT CLEAN OUT THE PCV. BECAUSE THERE IS NO JUNK IN THE VALVES AT ALL. NOT A GRAIN OF ANYTHING.

I ONLY WROTE THIS POST TO HELP THE NEXT GUY, IT TOOK ME A LONG TIME TO FIND THE ANSWER, MECHANICS AROUND HERE JUST DEAL WITH CARS.

HERE IS A PICTURE OF THE VALVES

KEY WORDS: pcv, vortec max, 2006 Silverado pcv, changing a pcv, pcv problems, Silverado, ss, 6.0, oil in throttle body, oil from dipstick.
 

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#2 ·
ITS EASY USE CARB CLEANER, I USED TWO CANS, AND IT WAS AMAZING WHAT CAME OUT, THEN BLOW OFF WITH A AIR HOSE. AND LET DRY. AND HERE IS ANOTHER IMAGE TO HELP YOU OUT.
 

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#3 ·
Here is the catch can system I used. Got it from revxtreme.com

LGSONE
 

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