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| | | '95 G20 antifreeze leak | Joined: Sep 2017 Posts: 30 newbie | OP newbie Joined: Sep 2017 Posts: 30 | I'm getting an antifreeze leak i cannot figure out. It's something behind the heater valve I couldn't really get a good picture as its in a tight spot
95 GMC 3/4 Vandura Traveler by Explorer Conversion | | | Re: '95 G20 antifreeze leak | Joined: Oct 2016 Posts: 294 Likes: 6 enthusiast | enthusiast Joined: Oct 2016 Posts: 294 Likes: 6 | I took a clearer photo on my 95, if that's where the leak is coming from that's your rear heater control valve. AC Delco catalog shows one version for conversion vans and another version for factory auxiliary heat.
1995 Emerald Green Chevy G20 350TBI Gladiator conversion | | | Re: '95 G20 antifreeze leak | Joined: Sep 2017 Posts: 30 newbie | OP newbie Joined: Sep 2017 Posts: 30 | Thats exactly what i was looking at, thanks
95 GMC 3/4 Vandura Traveler by Explorer Conversion | | | Re: '95 G20 antifreeze leak | Joined: Oct 2016 Posts: 294 Likes: 6 enthusiast | enthusiast Joined: Oct 2016 Posts: 294 Likes: 6 | Not sure if it would help but on mine the coolant only flows to the rear heater in heat mode so you might be able to get away with just using the front heater in vent or defrost mode to prevent it from leaking until you get the chance to fix it.
1995 Emerald Green Chevy G20 350TBI Gladiator conversion | | | Re: '95 G20 antifreeze leak | Joined: Sep 2017 Posts: 30 newbie | OP newbie Joined: Sep 2017 Posts: 30 | Weird, it actually stops leaking on heat mode, so its not that?
95 GMC 3/4 Vandura Traveler by Explorer Conversion | | | Re: '95 G20 antifreeze leak | Joined: Oct 2016 Posts: 294 Likes: 6 enthusiast | enthusiast Joined: Oct 2016 Posts: 294 Likes: 6 | It must be because of where the leak is on the rear valve, and by having heat on the coolant flows right to the back instead of being pressurized against the valve and leaking.
1995 Emerald Green Chevy G20 350TBI Gladiator conversion | | |
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