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Author Topic: Coolant Drain Procedure  (Read 1246 times)

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Offline Charlie W

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Coolant Drain Procedure
« on: March 19, 2012, 08:00:28 PM »
My 2007 GXP turned 5 late last November so the coolant needs changed. I've been waiting for better weather to do it myself. I've seen the thread on how to fill the system but nothing on how to drain it. Is there a petcock on the radiator, are there drain plugs in the block? Can anyone give me some help please?
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Aggressive,5-speed Manual. Mods: Westers Race Tune, K&N Drop In Filter, Dejon SS BOV Spring, JPM Visor Covers, 3M Clear Bra, GM Splash Guards, Shorty Antenna, Silver Painted Calipers W/Red GXP Letters, Red Arrow Decals, JPM Stitched Console, Silver Painted Rotors, Mirror Polished Stainless Engine Cover, Fuse Box Cover and Visor Mirrors, DIY Tunnel Brace, Dual Horns, DDM Pro-Beam.

Offline Hoosier GXP

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Re: Coolant Drain Procedure
« Reply #1 on: March 20, 2012, 08:51:21 AM »
 There is a pit cock on the bottom right side of the radiator. If you want to get it all out take a air hose and blow in the
overflow tube with the cap on. Don't use a lot of air pressure it makes a mess
« Last Edit: March 20, 2012, 09:22:39 AM by Hoosier GXP »
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Offline Hoosier GXP

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Re: Coolant Drain Procedure
« Reply #2 on: March 20, 2012, 09:24:45 AM »
1 gal of Dexcool mixed 50/50 will be more than enough to refill it.
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Offline Charlie W

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Re: Coolant Drain Procedure
« Reply #3 on: March 20, 2012, 08:24:39 PM »
Thanks Glenn I'll give that a try. I posted this on the other forum and shabby says there is also a drain on the bottom of the waterpump.
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Aggressive,5-speed Manual. Mods: Westers Race Tune, K&N Drop In Filter, Dejon SS BOV Spring, JPM Visor Covers, 3M Clear Bra, GM Splash Guards, Shorty Antenna, Silver Painted Calipers W/Red GXP Letters, Red Arrow Decals, JPM Stitched Console, Silver Painted Rotors, Mirror Polished Stainless Engine Cover, Fuse Box Cover and Visor Mirrors, DIY Tunnel Brace, Dual Horns, DDM Pro-Beam.

Offline Hoosier GXP

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Re: Coolant Drain Procedure
« Reply #4 on: March 20, 2012, 08:39:02 PM »
Quote from: Charlie W on March 20, 2012, 08:24:39 PM
Thanks Glenn I'll give that a try. I posted this on the other forum and shabby says there is also a drain on the bottom of the waterpump.
Anytime Charlie. The one on the water pump is a little hard to get to with all the "plastic" under the front, the easiest is the one on the radiator.
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