Without knowing your truck, I would assume those hoses are part of your
Positive Crankcase Ventilation system (PCV). I believe the first smog
devices required on cars. If in fact they are part of the PCV system, the
answer would be no.
Before the PCV system cars had a vented oil filler cap or in the case of my
50 Chevy, just little vents in the valve cover. They also had a breather
tube coming out of the crankcase with a tube bent down toward the road.
Fresh air would come into through the valve cover and push blow-by gases
out through the breather tube.
The PCV system with the PCV valve takes those blow-by gases and feeds them
back into the intake manifold to be burned off during the combustion
process. The hose running from your air-hat to the valve cover is feeding
air into the valve cover, not putting hot air into your air-hat so removing
the tube is not going to get you the results you desire.
I've taxed my memory enough. Hope this helps
-- Miles Harris III Simi Valley, CA 01 Silver Dakota CC Sport, 2.5L, 5speed 01 Gold Saturn SC1 (3 door coupe) 1.9L SOC, 4speed auto http://www.spikesautos.homestead.com/Dak1.html Profile: http://www.twistedbits.net/WWWProfile/dakota/PfCA4R1zO470wNospiratus@aol.com wrote in article <40.67cdff7.27a0a0ca@aol.com>... > While working on my 98 318 Dakota today, I noticed that off of each valve
> cover there is a long rubber hose tha goes to either the intake manifold or > the air intake hat. Can I remove either of these without having any > engine/computer problems. The hose from the drivers side cover goes to the > air intake hat. Can I remove that hose completely, cap off the hole on the > air hat, and put a small breather in the hole on the valve cover? I know that > a vehicle likes cold air and I think that maybe by removing this hose, I can > slow the ingestion of hot air into the throttle body. Any Ideas would be of > great help. > Michael >
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