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Anti freeze leak in passenger floor well

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Anti freeze leak in passenger floor well

Postby suzinoobie » Sun Apr 08, 2018 5:47 pm

Hi guys, (bin a while !) would like to know if anyone has had this prob. Cleaned my'93 petrol Bighorn yesterday and while vacing the deep dish mat found a bit of antifreeze up the front. Not much but enough. :shock: Pulled the glovebox out to get a better look and there appears to be a nylon flange which is wet on the right by the tunnel/firewall. There is a captive nut in it that you can see but i couldn't feel any head to the screw. The thing appears to go thru the firewall at that point and looks like it might come out behind the left cylinder head ( oh wonderful :o :o :o ) My question is can the stuff under there (which i assume is the heater /air con) be reasonably removed to get more access without pulling the bloody engine out?? Appreciate any help :D
Cheers
Wayne
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suzinoobie
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Re: Anti freeze leak in passenger floor well

Postby geeves » Sun Apr 08, 2018 5:53 pm

The heater is inside the car under the dash. If its wet inside the car thats where I would start. The pipes on the outside could be at fault though. Normally they have spring clip type clamps which should be easy to get with slip joint pliers but still not a nice job. Bad enough on the diesel. Could always just go to radiator specialist and say fix leaking heater. They have tricks and what takes you 3 hours they can often do in 30 minutes
Sanding your knuckles before starting work can help. That way you cant skin them
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Re: Anti freeze leak in passenger floor well

Postby suzinoobie » Mon Apr 09, 2018 12:09 pm

Thanks Geeves, I found my long handled inspection mirror and could see behind the flange and YES- a bolt head! Yea AND had a 7mm spanner that actually got in there. Got half a turn on it but couldn't get to the other one :oops: Soooo.. it will either fix it or make it worse. Fingers crossed. Thanks again
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suzinoobie
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Re: Anti freeze leak in passenger floor well

Postby suzinoobie » Tue Apr 10, 2018 12:51 pm

Well that didn't work :cry: The heater looked to be in three sections behind the glovebox and the middle bit looked like it would slide straight out. After undoing the tree nuts and two wiring plugs it did move out about 20mm. Then it stopped..... mmmmmm ,checked under the hood where there are two hoses. Gave one a bit of a wiggle and guess what .... yep plastic pipe it was attached to broke off. Unfortunately it wasn't the one attached to the bit of heater that moved. F@#K. Now i need some extra long pliers, ( you know- the ones you've seen in Super cheap and thought i could do with those. :D ) to get at the spring clips down the back of the head. Even if i get the section out i might not be able to get a replacement part :( :( Oh well shit happens
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Re: Anti freeze leak in passenger floor well

Postby suzinoobie » Fri Jun 29, 2018 5:36 pm

Well for any one interested i finally got a new heater core arrive today. :P :P :P :P Bin a while! with a bit of help and a ratchet tie down to pull the bottom of the dash out a bit we got it all back in. It's a bitch of a job but doable. Just got the AC unit to replace and the rest of the dash and centre console. Will run the engine first tho :D
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suzinoobie
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Posts: 38
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Vehicle: 1993 Isuzu Bighorn lotus 3.2 V6 Petrol


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