80 series heater core

Submitted: Tuesday, Jan 05, 2010 at 13:02
ThreadID: 74902 Views:3664 Replies:2 FollowUps:3
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hi all. i have a 80 series td with coolant on the passenger side of g/box hump. the car has done 200kms and as far as i know has coolant in it all its life. are they hard to remove for changing or repairing ??
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Reply By: Member - Troll 81 (QLD) - Tuesday, Jan 05, 2010 at 14:04

Tuesday, Jan 05, 2010 at 14:04

The same thing happened in my Patrol about 2 months ago and it was at the shop for nearly a full day. Cost around the $700 mark to get it fixed and that included the regassing of the AC. Make sure you do the ring around I got quotes ranging from the $700 right up to $2500 for the people that didn't want the job.
AnswerID: 397744

Follow Up By: xr500 - Tuesday, Jan 05, 2010 at 20:50

Tuesday, Jan 05, 2010 at 20:50
thanks for that!! im hoping the heater core is separate to air cond.
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Reply By: Voxson - Tuesday, Jan 05, 2010 at 16:21

Tuesday, Jan 05, 2010 at 16:21
Are you sure it is coolant and not just water?

Recently the same thing happened to me and after the initial shock of maybe having to spend big money it ended up being a blocked air cond overflow....

I blew a little compressed air up the overflow and it was problem solved...

200K isnt many k,s for a worn heater core if it has had coolant its whole life.
AnswerID: 397765

Follow Up By: xr500 - Tuesday, Jan 05, 2010 at 20:48

Tuesday, Jan 05, 2010 at 20:48
thank you mr voxson! i will check that but i wouldnt hold my breath on that one.
i'll give you the 20 bucks i owed you 15 years ago...hehe
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Follow Up By: Wherehegon - Wednesday, Jan 06, 2010 at 23:05

Wednesday, Jan 06, 2010 at 23:05
You could also pull the hose off the bottom of the condensor box and put a cable tie up into it to clear it and pull the rubber drain hose right out and make sure its 100% clear. Dont stick any metal wire up there as you could do damage. Another way to check if its the heater core or not is bypass it in the engine bay and that will confirm 100% as to wether its the core or not. Also not sure if your aware or not the 80 series had a rust trap on either side up against the fire wall. There is a rubber grommet that allows water in but cant let the water out. It rusts from the fire wall back into the cabin which then lets water into the vehicle. These grommets are visible from under the vehicle just behind the front wheels. If you lay on your back and look straight up you will see them. Pluck them out with a screw driver and leave them out, Someone on hear might have picks of the area. If rusted through is a major job to replate. Probably not your problem but worth removing the grommets anyway if you havnt already. Regards Steve M
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