06-14-2018, 09:27 AM | #1 |
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L99 Replacing thermostat
Anyone have instructions, links or video on how to replace the thermostat on a L99? Also having hard time finding the torque for the thermostat housing bolts
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2010 Rally Yellow 2SS/RS
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06-14-2018, 09:33 AM | #2 |
Drives: 2017 Silverado Join Date: Mar 2017
Location: Muncie
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I can't help you with the torque for the bolts.
1. drain the coolant at radiator bottom drivers side has a valve. when done close valve. 2. unbolt thermostat housing. 3.swap thermostat 4. bolt housing back to water pump 5. fill with coolant and burp it. probably the longest step. really nice to have a large funnel for this step. Did I miss anything?
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06-14-2018, 10:03 AM | #3 | |
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Quote:
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2010 Rally Yellow 2SS/RS
Performance Upgrades: Custom Flowmaster X system Exhaust Audio Upgrades: Too much to write down. Visit http://www.camaro5.com/forums/showthread.php?t=206016 |
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06-14-2018, 01:38 PM | #4 |
Drives: 2017 Silverado Join Date: Mar 2017
Location: Muncie
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no but you will still lose enough coolant that you will still need to fill it.
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'14 2SS A6, CAI, 2" TSP Headers and tune: SOLD
'13 SS @ Burkhart Chassis |
06-14-2018, 03:27 PM | #5 |
Drives: 2009 ZR1 Join Date: May 2010
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Torque is 11 ft/lbs or 132 inch pounds
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06-14-2018, 04:01 PM | #6 |
'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
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Can I ask why you’re changing it? They are pretty resilient. Do you have mods that are causing a heating issue while driving?
-Don
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06-14-2018, 10:07 PM | #7 |
Drives: 2010 Camaro SS/RS Join Date: Mar 2014
Location: somewhere in MD
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fill the engine from the top hose! do no fill the radiator first because if you do you will spend a few days getting air bubbles out of the cooling system
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2010 2SS/RS
Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53 |
06-14-2018, 10:43 PM | #8 |
Drives: 2011 camaro 2SS Join Date: Apr 2017
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I still cant get my bubbles out
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06-15-2018, 06:26 AM | #9 |
Drives: 2011 ss Join Date: Sep 2015
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Get a radiator funnel. I picked mine up after hanging out with my mechanic buddy years back.
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06-15-2018, 07:52 AM | #10 |
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Vehicle seems to be overheating the first 15 minutes. Fans are on so thinking its the thermostat.
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2010 Rally Yellow 2SS/RS
Performance Upgrades: Custom Flowmaster X system Exhaust Audio Upgrades: Too much to write down. Visit http://www.camaro5.com/forums/showthread.php?t=206016 |
06-15-2018, 08:13 AM | #11 | |
"Old School"
Drives: 2010 2SS L99 Join Date: Apr 2015
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See this L99 thermostat replacement video below. Or you can find it from the link in my signature also. To help get the air out, fill the coolant from the top hoses and squeeze the bottom hose with the cap off to move trapped air out.
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