Heaters fixed!!!!
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Freshman User
Joined: Nov 2002
Posts: 30
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From: Peoria USA
Heaters fixed!!!!
[updated:LAST EDITED ON 01-Dec-02 AT 11:00 AM (EST)]Thanks guys! I had the usual heater poor performance problem I see a lot of on this board. Went through EVERY page of this forum for clues. I'd checked everything over the last year! I was finally doing some flow testing at the suggestion of a couple of posts and the damn heater core was plugged! Never thought of this since I just installed a new one year ago
Changed it out in the summer so I wonder if it was clogged from the get go! Anyway, I put the new one in and now I have nice toasty heat. Thanks again! Lots of good info here for my old Bronco. It's an 89 Eddie Bauer with 256,000 miles on her! Never had the tranny out and only motor work besides the bolt on stuff, altenator, water pump, has been an oil pan gasket and a timing cover gasket, couple of ignition modules and a new driveshaft. Valve covers or intakes never been off! Knock on wood
As a side note though,I noticed checking the two heater core hoses for heat only works after the first couple of minutes of start up. My heater core was plugged solid and if you checked the hoses after 15 or so minutes, both were hot due to the residual heat transffering through the water.
Craig
Changed it out in the summer so I wonder if it was clogged from the get go! Anyway, I put the new one in and now I have nice toasty heat. Thanks again! Lots of good info here for my old Bronco. It's an 89 Eddie Bauer with 256,000 miles on her! Never had the tranny out and only motor work besides the bolt on stuff, altenator, water pump, has been an oil pan gasket and a timing cover gasket, couple of ignition modules and a new driveshaft. Valve covers or intakes never been off! Knock on wood As a side note though,I noticed checking the two heater core hoses for heat only works after the first couple of minutes of start up. My heater core was plugged solid and if you checked the hoses after 15 or so minutes, both were hot due to the residual heat transffering through the water.
Craig
Senior User
Joined: Jun 2002
Posts: 241
Likes: 0
From: Colorado Springs, CO
Heaters fixed!!!!
heater core is clogged if one of the hoses connecting to it(at the firewall on passenger side) is not hot at normal operating temp.
unhook tubes(they will spill so make sure vehicle is not hot!), and then just pull off glove box, and there are 7 screws? for the heater core case, pull out and replace. will probably take 15 minutes to do all this and cost $15 at autozone.
This is all for a 1988, but I'm sure they are all the same or similar.
Brian
1988 351 EFI
unhook tubes(they will spill so make sure vehicle is not hot!), and then just pull off glove box, and there are 7 screws? for the heater core case, pull out and replace. will probably take 15 minutes to do all this and cost $15 at autozone.
This is all for a 1988, but I'm sure they are all the same or similar.
Brian
1988 351 EFI
Freshman User
Joined: Nov 2002
Posts: 39
Likes: 0
From: usa
Heaters fixed!!!!
[updated:LAST EDITED ON 02-Dec-02 AT 04:36 PM (EST)]>... just pull off glove box, and there are 7
>screws? for the heater core case, pull out and replace.
>will probably take 15 minutes to do all this and cost $15 at
>autozone.
>
>This is all for a 1988, but I'm sure they are all the same
>or similar.
>
>Brian
>1988 351 EFI
You know...I was just reading this thread and I am so glad that I got my 89 bronco. My last truck, still sitting in the driveway collecting dust, was an s-10. I had to replace the heater core in that s-o-b last year. I tell you what..it didn't cost me some $15 and it darn sure didn't take 15 minutes!!
(S-10 heater core)
In my s-10 I had to dismantle to whole dash and roll it into my lap and reach between the windshield and the rolled dash with one hand and pull in and lift up! That was after I found some "Hidden" bolts inside the engine compartment!
Sure am glad to hear the bronco is that much easier!! If only all vehicles were that easy...
>screws? for the heater core case, pull out and replace.
>will probably take 15 minutes to do all this and cost $15 at
>autozone.
>
>This is all for a 1988, but I'm sure they are all the same
>or similar.
>
>Brian
>1988 351 EFI
You know...I was just reading this thread and I am so glad that I got my 89 bronco. My last truck, still sitting in the driveway collecting dust, was an s-10. I had to replace the heater core in that s-o-b last year. I tell you what..it didn't cost me some $15 and it darn sure didn't take 15 minutes!!
(S-10 heater core)In my s-10 I had to dismantle to whole dash and roll it into my lap and reach between the windshield and the rolled dash with one hand and pull in and lift up! That was after I found some "Hidden" bolts inside the engine compartment!
Sure am glad to hear the bronco is that much easier!! If only all vehicles were that easy...
New User
Joined: Dec 2002
Posts: 2
Likes: 0
From: New Carrollton USA
Heaters fixed!!!!
My heater core was clogged and I took off both hoses and used a water hose with a spray nozzle and flushed it out both ways. It fixed the problem for me.
Ron
91 Bronco XLT 302
Ron
91 Bronco XLT 302
