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06-20-2010
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#1 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,704
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Re: High coolant temp
FYI, if it was while cruising in 6th, try downshifting to 5th. If that brings the temp down quickly, it is caused by the low coolant flow at low RPM. It's a common issue that doesn't really have a solution (other than to downshift or drive faster).
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06-20-2010
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#2 | |
 Join Date: Aug 2006
Location: McLean, VA
Posts: 3,739
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Re: High coolant temp
Quote:
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06-20-2010
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#3 |
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Join Date: Aug 2006
Location: McLean, VA
Posts: 3,739
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Re: High coolant temp
Those who are using Dewitt - are they better cooling relative to OEM? I remember reading fans have a bit of difficulty pushing air through - true?
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06-20-2010
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#4 | |
 
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,120
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Re: High coolant temp
Quote:
mine always runs cooler in 6th with a stock rad
__________________
GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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06-20-2010
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#5 |
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Join Date: Aug 2006
Location: McLean, VA
Posts: 3,739
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Re: High coolant temp
Mystery solved!
Rather than speculating I went for a test drive, noted it was doing the same thing - temp climbing even while cruising at 55 - 60. Came back home, got on my back with a flashlight. It turns out that a plastic flap that is hung at the top of the radiator has to come down, tuck over the bottom of the front bumper and this is held in place w/ a plastic tab. It seems this piece has come loose and at speed this piece is piece is pushed back to the radiator. With both fans running, this piece get sucked towards the radiator further worsening the problem. Hah! I don't have to spend a whole day wrestling with a radiator! 
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06-20-2010
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#6 |
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,120
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Re: High coolant temp
You talking about the rain shield?
__________________
GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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06-20-2010
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#7 | |
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Join Date: Aug 2006
Location: McLean, VA
Posts: 3,739
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Re: High coolant temp
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Hybrid Mode
