mackcat12 Posted July 15, 2014 Share Posted July 15, 2014 Hello, I have a 1988 RD690S Mack dump truck and the air condition drips water in the floor, I have checked the drain under the hood and it`s clean, a little water does come out of it but most of it goes in the floor. Can anybody tell me how to fix this? Thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/ Share on other sites More sharing options...
gearhead204 Posted July 15, 2014 Share Posted July 15, 2014 rod the drain with a wire. form a loop on the end so you don't "poke" anything that you don't want to. Spin wire as you insert it in the drain. my guess is the tray is ether rusty or filled with dirt and the condensation cant get out quick enough, this is what my tractors have happen to them. Quote Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/#findComment-253014 Share on other sites More sharing options...
Dirtymilkman Posted July 15, 2014 Share Posted July 15, 2014 Your evap tray is cracked. If u replace it the new one will crack too. I took mine out and used mack silicone on it. Quote Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/#findComment-253015 Share on other sites More sharing options...
mackcat12 Posted July 16, 2014 Author Share Posted July 16, 2014 Thank guys I will try the wire first and if that don't work I'll pull the tray out Quote Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/#findComment-253122 Share on other sites More sharing options...
Popular Post j hancock Posted July 16, 2014 Popular Post Share Posted July 16, 2014 If the silicone doesn't work, Red Green advocates duct tape for all sorts of applications. 3 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/#findComment-253128 Share on other sites More sharing options...
jakebrake86 Posted July 19, 2014 Share Posted July 19, 2014 Do you have a piece of hose hooked to the drain spout sticking out of the firewall? I had the same problem when I bought my RD. After a little looking around, I noticed the water would drip out the end of the spout, then trickle back down the bottom of the pipe and end up in the floor. I stuck a 2 foot piece of hose on and have had a dry floor ever since. Quote Jake Link to comment https://www.bigmacktrucks.com/topic/36367-air-condition-leaking-water-in-floor/#findComment-253285 Share on other sites More sharing options...
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