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Put on a new valve cover gasket yesterday. Everything under there looks good. Had to take off the throttle body and was wondering what the two hoses that connect to the bottom of it are for. Can I disconnect/reroute them?
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"CL4P-TP" - 93 Festiva L -
They are coolant hoses for some sensor. -
If you rotate the engine the valve actuators (arms) at some point in their movement will let the valve cover clear and you do not have to remove the throttle body.
I believe those carry coolant to pre-heat the intake.'93 Blue 5spd 230K(down for clutch and overall maintanence)
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Valves and WTF
Yes they are supposed to preheat the TB, I think more specifically the IAC, on my KL I just looped the hoses so i don't have to mess with them everytime I pull the intake
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There's supposedly a setting where you don't have to pull the TB. Possibly TDC on # 1 cyl. I shaved my TB for clearance.Comment
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If that is so, shouldn't there have been coolant in there when I pulled it off?!?!Originally posted by Damkid View Post
I have to pull it again tonight to put on a better gasket. Do I need to burp those lines to make sure coolant is getting up there or should I loop them or what?HULi ---------------------------------------------------------------------------> Any-where, any-way, any-time.
"CL4P-TP" - 93 Festiva LComment
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They're coolant lines to heat the TB so the throttle doesn't freeze open with ice buildup in colder climates. Unless you're up far north simply bypass it. That coolant circuit also runs the IACV1991 Mercury Capri XR2 "GTXR2" BPT Swapped AWD Conversion
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Re: Valves and WTF
What's an IACV? Idle air control valve? Wouldn't that be a bad thing to mess with?HULi ---------------------------------------------------------------------------> Any-where, any-way, any-time.
"CL4P-TP" - 93 Festiva LComment
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The coolant comes from an outlet on the bottom of the intake and into the IAC. Then, from the IAC it goes to the TB and then back into the coolant return pipe that runs above the transmission. Take the hose that runs out of the IAC and to the TB, and connect it directly to the return pipe. You will be leaving the IAC in the loop, but bypassing the TB. Or.....just leave it as is.Brian
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Yeah, Good old North Carolina, first in flight, where tobacco is considered a vegetable, and known for never ever having a single reported case of throttle body icing!Last edited by iceracerdude; 11-01-2012, 08:20 PM.97 Aspire w/K03 turbocharged b6 SOHC
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Re: Valves and WTF
Awesome!
Thanks for the info! Haven't gotten around to doing it yet. Going to do it tomorrow along with new oil pan gasket.
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"CL4P-TP" - 93 Festiva LComment
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Re: Valves and WTF
Routed the coolant hose out. New oil pan gasket didn't stop the leak :banghead:
Can a bigger throttle body fit on there?
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