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08-10-2014, 05:07 PM
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#1 |
 
Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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Heater core replacement
So my buddy and I took it upon ourselves to replace the heater core on his 2011 L99. Dear Lord, this is a hell of a project. Anyone else done this themselves? We have the housing out now with the new core in, about to put this back together. We had the windshield removed and pulled the dash, which is the hardest part. Little bolts here and there holding the housing to the firewall... Wow I hope I never have to do this to my LS3!!
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08-10-2014, 05:15 PM
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#2 |
   
Drives: 2014 camaro ss ,1967 chevelle ss, Join Date: Sep 2013
Location: loganville
Posts: 1,209
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did you guys read the repair procedure? never have seen a windshield removed to do a heater core. just asking, im going to look it up now..ok disregard my entire post, wtf
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08-10-2014, 06:34 PM
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#3 |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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Yeah there are 4 bolts only accessible by removing the windshield. It's insanity.
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08-10-2014, 07:04 PM
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#4 |
   
Drives: SS 1LE Join Date: Nov 2012
Location: Texas
Posts: 1,829
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Since you have it torn apart, is there any other way of removing this.
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08-10-2014, 07:23 PM
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#5 |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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What do you mean? Removing what?
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08-10-2014, 07:30 PM
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#6 |
    
Drives: Kami, 2013 2SS LS3 Luvin Join Date: Oct 2008
Location: Eufaula, Alabama
Posts: 6,427
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I believe Ofer has a way to remove the dash without removing the windshield.
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08-10-2014, 07:33 PM
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#7 |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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I believe it's possible by cutting the bolts... But then you can't put new bolts back in. We did the work following AllData's guidelines. It was a pain, but it was done correctly. And even though we are doing the work ourselves, the warranty is covering everything besides the windshield removal and refit, which was $100. Not bad.
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08-10-2014, 07:34 PM
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#8 |
 
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I have seen a thread on here somewhere, where you can remove heater core without having to remove windscreen, I believe it involved a die grinder to shorten installed bolts before they were removed from dash that would normally hit on windscreen as they were undone.
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Camaro 2SS/RS 2010 / L99 / Whipple SC /Dynatech Headers & Catts (gutted), ID 850 injectors, ZL1 fuel pump +BAP & ADM pump controller, ZR1 3Bar MAP, Dual Elite Catch Cans, 91 octane ,Eibach sway bar kit , Driveshaft loop, oil cooler delete, ADM dual gauges (AFR/Boost) LC1 wideband controller, D/D, ARP stud kit ,Callies forged slayer crank 3.622", callies ultra rods, wiseco forged pistons, L99-LS3, rollmaster double row steel timing set & comps cam timing cover,blower cam 630/660 lift,3/8 pushrods, pac gear 8deg, yella terra ultra lites. LS9 head gaskets. Texas speed custom oil pump. Asm by me.
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08-10-2014, 07:37 PM
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#9 |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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I don't know how that's possible because the heads of the bolt (3.5 inch bolts) are less than a half inch from the windshield.
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08-10-2014, 08:23 PM
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#10 | |
Drives: 2010 RJT 2SS M6 Camaro Join Date: Feb 2011
Location: Garrison,KY
Posts: 1,548
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Quote:
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2010 RJT 2SS M6, Kooks Long Tubes, NPP Exhaust, CAI Cold Air w/Jannetty Scoop, RotoFab Washer Bottle, Elite Engineering Catch Can, MGW Shifter w/ZL1 Shaft and Knob, 2015 SS Sedan Steering Wheel and Air Bag, 2012 Heater Hose Conversion, 2012 Power Seat Conversion, RS Head Lights,Gen5DIY RS Conversion Harness, LED Fog Lamp Bulbs, Backup Camera Kit, NLP Spoiler, SLP Splitter, ZL1 Rockers and Diffuser, Color Matched Shark Fin, RS Roof Mouldings, Painted White Stripes, WCC LS3 Emblems, Heritage Grille and Blacked Out Tail Light Panel w/Retro SS Emblems, 416 RWHP, 411 RWT, Tuned by BlueCat.
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08-10-2014, 08:27 PM
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#11 | |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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Quote:
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08-10-2014, 08:30 PM
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#12 |
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Drives: 2011 1SS/RS LS3 Join Date: Jul 2014
Location: New Braunfels, TX
Posts: 53
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The metal tubing you see here:
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08-10-2014, 08:35 PM
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#13 |
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Drives: 2014 camaro ss ,1967 chevelle ss, Join Date: Sep 2013
Location: loganville
Posts: 1,209
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wow, that is nuts, i put a heater core in my 93 chevy truck last winter and it took longer to get the hoses off than to get heater core out. what happened? who's designing these things? and is the 14's the same?
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08-10-2014, 08:42 PM
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#14 |
 
Drives: 2014 1lt rs convertible Join Date: Aug 2012
Location: Paris ky
Posts: 41
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I work for a Chevy dealer and I've had to do one on a 2013 with 1,000 miles on it. It was a pain but not too bad of a job. Warranty only pays like 6.8 hours if I remember correctly
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