as it always works for me, i was replacing a little rubber coolant line from the firewall to the manifold and there was this little valve looking thing, connecting the two rubber coolant lines (on the passenger side) and one of the nipples on it broke. im not sure what it is, can anyone tell me what it is and how important it is? i know its probably just a dealer item which is really gonna suck. why is it all of these plastic parts get so fragile and break on me?

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1987 LG4 Camaro z28

Performance
KN airfilter, flowmaster 80 series and catco high flow converter, 180* thermostat, edelbrock performer intake, msd blaster coil

System
Panasonic CQ-DF200U deck, fosgate speakers (hpc1369, frc2246), fosgate 400a4 amp

 

if it's in the heater hose system it's the heater control valve

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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM

 

heater control valve, thanks a million! would a regular parts store carry those?

 

Yea they carry it. If you want a metal one instead of plastic (they do break easy) its available but not listed under that car... probably a 70's Chevy application of some sort, I cant remember what car in particular however.

 

I know a 72 Chevy pickup does have the metal one.



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Joshua Johnston
1991 Z-28
350, T-5, K&N, Ported Vortec heads, Edelbrock RPM, Holley 750 D.P., HEI, 11.07:1 CR, Comp Cams Roller-.510"/.520"-282*/288* dur., Shorty Headers, Dual 2.5 Exhaust, Dynomax Bullet Mufflers, T&R Motorsports custom air intake, Bald tires

 

What does that thing do anyways? I always wondered if that was supposed to be there or not.