Water Leak!
Thread Starter
2nd Gear Member
Joined: Apr 2009
Posts: 435
From: Massachusetts
yeah thats the plan. is the ford heater core a dealer part only? or is that something i can order online? should i bother cheaking on anything else while i am in there like the ac condensor?
FudgeDrip
Joined: Jan 2009
Posts: 3,288
From: S. Cal.
the ac condenser is on the front of the car next to the radiator. The only way to check it that I know of is with one of those laser thermometer guns. So if the ac gives is giving you trouble, it would be cheaper to take it to someone that has the tools to do so.
Joined: Sep 2003
Posts: 26
From: United States
Highly recommend you replace the heater core with a quality, high capacity unit. Ford OEM would be best. I got one from Autozone before pulling the dash. Found it was much smaller (and likely lower quality) than what the factory installed. I also replaced the A/C Evaporator core at the same time. About $60-$75 but if you are having slow leaks in your AC, might be your culprit. I installed a new one, changed over to R134A and still had a leak. Be sure to change to the new R134A o-rings (green vs black). New o-rings solved the slow A/C leak.
One last piece of advice...the grommet where the A/C water drain is (between the Heater box and the firewall) has to be installed with the lip THROUGH the firewall. If not, the water condensate during A/C operation will not all drip to the ground....you will have a lake in the passenger side floor pan. I put on a brass 1/4" brass elbow (threaded on on side and ****** for a hose on the other.) Put on a drain hose routed to the frame on the pass side. No more water leak, good A/C and good heat. Enjoy
One last piece of advice...the grommet where the A/C water drain is (between the Heater box and the firewall) has to be installed with the lip THROUGH the firewall. If not, the water condensate during A/C operation will not all drip to the ground....you will have a lake in the passenger side floor pan. I put on a brass 1/4" brass elbow (threaded on on side and ****** for a hose on the other.) Put on a drain hose routed to the frame on the pass side. No more water leak, good A/C and good heat. Enjoy
4th Gear Member
Joined: Jun 2011
Posts: 1,353
From: Indy
Highly recommend you replace the heater core with a quality, high capacity unit. Ford OEM would be best. I got one from Autozone before pulling the dash. Found it was much smaller (and likely lower quality) than what the factory installed. I also replaced the A/C Evaporator core at the same time. About $60-$75 but if you are having slow leaks in your AC, might be your culprit. I installed a new one, changed over to R134A and still had a leak. Be sure to change to the new R134A o-rings (green vs black). New o-rings solved the slow A/C leak.
One last piece of advice...the grommet where the A/C water drain is (between the Heater box and the firewall) has to be installed with the lip THROUGH the firewall. If not, the water condensate during A/C operation will not all drip to the ground....you will have a lake in the passenger side floor pan. I put on a brass 1/4" brass elbow (threaded on on side and ****** for a hose on the other.) Put on a drain hose routed to the frame on the pass side. No more water leak, good A/C and good heat. Enjoy
One last piece of advice...the grommet where the A/C water drain is (between the Heater box and the firewall) has to be installed with the lip THROUGH the firewall. If not, the water condensate during A/C operation will not all drip to the ground....you will have a lake in the passenger side floor pan. I put on a brass 1/4" brass elbow (threaded on on side and ****** for a hose on the other.) Put on a drain hose routed to the frame on the pass side. No more water leak, good A/C and good heat. Enjoy
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