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Running Hot???

Forum: C4 HVAC, Fuel, Emissions, and Exhaust

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Running Hot???

Posted: 2/19/13 2:58pmMessage 1 of 18
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Ridgecrest, CA - USA
Joined: 2/19/2013
Posts: 117
Vette(s): 1990 Coupe
Mine was running hot around town very soon after I bought it.  I cleaned the face of the radiator and now the fans never come on.  If you are running hot check the front of the radiator first.  The a/c condensor was clean on the face but nobody apparently removed the shroud to check the radiator.  Previous owner spent $750 for a fluch and new water pump and it still ran hot.
 
If it isn't broke, I haven't fixed it yet....
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Re: Running Hot???

Posted: 2/19/13 6:03pmMessage 2 of 18
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galion, OH - USA
Joined: 5/31/2012
Posts: 413
Vette(s): 1984 base coupe 17,000 miles all original. very low production number.red on red 3853. pro num.
wow,wee now thats a bunch of crap on the rad. thanks for the tip. Thumbs Up

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Re: Running Hot???

Posted: 2/19/13 8:59pmMessage 3 of 18
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Looks "normal" to me! LOL 
These cars are like vacuum cleaners, sucking up everything they can off the roads while you drive. The A/C condenser and radiator do need to be blown thru and cleaned regularly to keep this from happening. Glad you got yours cooling!!

Joel Adams
C3VR Lifetime Member #56    

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Re: Running Hot???

Posted: 2/19/13 9:54pmMessage 4 of 18
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Kearns, UT - USA
Joined: 4/6/2012
Posts: 86
Vette(s): 1990, L98, 6 Speed Manual, Brilliant red metallic
Looks just like mine did!  I wish I'd grabbed some shots as I think we must have driven through the same animal and grease pile!  I just left the hose running through mine as to clear it all out, but I think I over did it and ended up having to replace the main radiator fan motor.  Feels much better now though to see the gauge away from the red at traffic stops.

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Re: Running Hot???

Posted: 2/20/13 7:11amMessage 5 of 18
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Ridgecrest, CA - USA
Joined: 2/19/2013
Posts: 117
Vette(s): 1990 Coupe
I really do think it was the first time it was cleaned.  Somebody owned a dog and it sure sucked up some dog hair over the years.  Taking that shroud off was a pain but it was worth it.  I never hear the fans come on anymore. :)
If it isn't broke, I haven't fixed it yet....
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Re: Running Hot???

Posted: 2/20/13 10:35amMessage 6 of 18
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
tbirdsps said: ...Somebody owned a dog and it sure sucked up some dog hair over the years.


Or ran over one!Shocked
LOL
Ya never know what you'll find up in there....I found a flip-flop once....

Joel Adams
C3VR Lifetime Member #56    

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             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

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Re: Running Hot???

Posted: 2/20/13 11:06amMessage 7 of 18
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Ridgecrest, CA - USA
Joined: 2/19/2013
Posts: 117
Vette(s): 1990 Coupe
Adams' Apple said:
tbirdsps said: ...Somebody owned a dog and it sure sucked up some dog hair over the years.


Or ran over one!Shocked
LOL
Ya never know what you'll find up in there....I found a flip-flop once....



I would never thought a flip flop would be found in a radiator.  Maybe that's why the next gen vettes got a regular grill.
If it isn't broke, I haven't fixed it yet....
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Re: Running Hot???

Posted: 3/1/13 5:53pmMessage 8 of 18
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Olney, MD - USA
Joined: 10/20/2010
Posts: 51
Vette(s): 93 Polo Green Convertible with Bilstein Shocks, Autopower RollBar, Simpson 5 point harness, Grand Sport wheels, bald tires and dirty air filter! 2003 Anniversary Red 50th Anniversary Convertible
tbirdsps said: I really do think it was the first time it was cleaned.  Somebody owned a dog and it sure sucked up some dog hair over the years.  Taking that shroud off was a pain but it was worth it.  I never hear the fans come on anymore. :)


I used a shop vac and long hose to get between the AC and the radiator.  Pulled out a mouse nest and solved my overheating problems.  I had spent money on radiator flush and water wetter to bring the temps down from 240 and it was the shop vac that did the trick!!  No need to take the shroud off-  there's a hole in the side big enough to get the nozzle in (on the '93s at least!).

Rarely indicted, never convicted

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Re: Running Hot???

Posted: 3/13/13 4:52pmMessage 9 of 18
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Rochester, NY - USA
Joined: 8/20/2011
Posts: 60
Vette(s): 1987 Coupe Red and red, Z52
Well, there's another addition to my spring "to do" list. An easy 1 beer job.
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Re: Running Hot???

Posted: 3/18/13 7:04amMessage 10 of 18
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Naples, FL - USA
Joined: 6/19/2011
Posts: 46
Vette(s): 1984 C4 Mild mods.85 fuelpump,Accel ignition, TCI, shiftkit, ramAir, Boshplat plugs, duels straight, VP 106 fuel mix, 1990 wheels,, Silver/Gray 1996 LT 4 Stock muffler eliminators Torch Red ZR1 Wheels
Thumbs Up I put  a screen under the front bumper it works great. Just vacum the screenWink
Wingnut
 
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