Under valve cover inspection and no heat - Ford Bronco Forum
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post #1 of 58 (permalink) Old 11-23-2012, 11:27 PM Thread Starter
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Under valve cover inspection and no heat

I'm going to pulling my valve covers because the gaskets are cracked and leaking a bit. I'm just wondering what I should have a look at as long as I have them off.

Secondly my heat doesn't seem to want to get warm. The fan is blowing fine and all but not much warmer then outside ever gets going even after driving around for 30 minutes. The temp gauge gets to the middle but I thought I read those were dummied up just as the oil pressure gauge was.

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post #2 of 58 (permalink) Old 11-24-2012, 01:56 AM
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For the heat issue: Try reverse flushing the heater core, if that doesn't work, the heater core might be plugged. (This is assuming that the coolant is full.)
The temperature gauge is an analog device, it changes resistance as the temperature of the coolant changes. So it is NOT like the oil pressure sender, which is just a switch that closes at about 5-7 pounds of oil pressure.

For the valve covers: Look at the valve stem seals, the oil drain back holes, spin the pushrods to see if any are bent (if the engine has been running fine, you probably don't have any bent pushrods). Check/replace the PCV valve grommet, the PCV valve should be a fairly tight fit to prevent leakage. I'm sure there's more that others will add.

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post #3 of 58 (permalink) Old 11-24-2012, 01:56 AM
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Sounds like a coolant flush is about due and make sure to purge the coolant system of air, if air is in trapped in the system this can cause air pockets in heater core giving you the heating grief. You can you use a coolant purge tool or burp the thermostat hope that helps. And as mike350 stated be sure to check the stem seals and if your up to the work change them they are cheap and well worth your time.
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post #4 of 58 (permalink) Old 11-25-2012, 12:54 AM Thread Starter
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Should I try replacing the thermostat or go right for the flush?

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post #5 of 58 (permalink) Old 11-25-2012, 02:00 AM
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im sure flushing it is a good idea... ESPECIALLY if it has had water in the system and caused a bunch of rust and mineral deposits all over everything.

although, usually weak heater means thermostat is stuck open, wrong temperature, or missing. i'd make sure it has the correct 190 degree thermostat in it. (just put in a new one) oh, and get a decent quality thermostat. they're not expensive and it's a critical part. cheap ones can cause problems.

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post #6 of 58 (permalink) Old 11-25-2012, 01:55 PM
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Feel the heater hoses and see if one is hotter than the other once the engine is/should be warmed up. If one is way hotter than the other, then it sounds like the heater core is plugged.
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post #7 of 58 (permalink) Old 11-25-2012, 07:40 PM Thread Starter
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Whats a good brand for the thermostat? And Sackman I'll do that the next time I take the Bronco out for a spin

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post #8 of 58 (permalink) Old 11-25-2012, 07:50 PM
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STANT all the way!!!! do NOT get a "fail-safe" stat. what they do is when they fail, they fail open so it doesn't overheat the engine. problem with them is they fail open ALL THE TIME. they SUCK ass at life. otherwise all good advice.

by the way mr.pyro, did you get my PM about the fuel filter?

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post #9 of 58 (permalink) Old 11-25-2012, 07:57 PM Thread Starter
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Cool thats what Advance carrys...makes life a bit easier...

And yeah I got your PM

Its just been so damn cold I haven't looked into that. Still getting used to the cold after the hot as hell summer

Ah it appears I have the bowl thingy...was looking for the wrong thing the whole time.

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post #10 of 58 (permalink) Old 11-25-2012, 08:04 PM
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just curious because your noob ass didn't say thanks or anything you dickface

i work for advance, i get 20% off anything I buy.

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New nuts are in the plan.
"Kids, they see the good in everything and through their eyes, they open ours." - Hank Davis

"To be easily amused is to live most of your life smiling."
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post #11 of 58 (permalink) Old 11-25-2012, 08:10 PM Thread Starter
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Like I said barely even looked into it...but thanks all the same.

Noob? Says the guy that traded his Bronco for a Kia

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post #12 of 58 (permalink) Old 11-25-2012, 08:12 PM
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you're welcome

and no, i didn't trade my bronco for a kia. i traded an F150 for a kia.

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Quote:
Originally Posted by "Bronco" John Galt View Post
New nuts are in the plan.
"Kids, they see the good in everything and through their eyes, they open ours." - Hank Davis

"To be easily amused is to live most of your life smiling."
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post #13 of 58 (permalink) Old 11-25-2012, 08:22 PM
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Quote:
Originally Posted by sackman9975 View Post
Feel the heater hoses and see if one is hotter than the other once the engine is/should be warmed up. If one is way hotter than the other, then it sounds like the heater core is plugged.
or the valve is stuck closed and not letting coolant circulate in the core.


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Originally Posted by TheUnforgiven View Post
you're welcome

and no, i didn't trade my bronco for a kia. i traded an F150 for a kia.

what a down grade that was.

'01 F250, 444ci of straight piped oil burning fun. 4x4, 6 spd, GTP38R noise maker, Stage 2 injektorz. Lotsa fun!


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post #14 of 58 (permalink) Old 11-25-2012, 09:08 PM
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don't give a f*ck what you think don.

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Quote:
Originally Posted by "Bronco" John Galt View Post
New nuts are in the plan.
"Kids, they see the good in everything and through their eyes, they open ours." - Hank Davis

"To be easily amused is to live most of your life smiling."
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post #15 of 58 (permalink) Old 11-25-2012, 09:12 PM
gone fish'n
 
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BAND

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Let's Go Fishing.
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post #16 of 58 (permalink) Old 11-25-2012, 09:13 PM
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oh btw, dunno if I mentioned this or not, they just stocked 5,000 tigers in 3 different lakes.

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Let's Go Fishing.
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post #17 of 58 (permalink) Old 11-25-2012, 09:24 PM Thread Starter
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Henry Ford is rolling in his grave



Just giving you shit

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post #18 of 58 (permalink) Old 11-25-2012, 09:26 PM
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fawk henry too, don't even care.

yea don, you mentioned that. population control for what species?

2005 Chevy Venture. 1997 Acura TL. $500 beater. 1994 Chevy Caprice.
Quote:
Originally Posted by "Bronco" John Galt View Post
New nuts are in the plan.
"Kids, they see the good in everything and through their eyes, they open ours." - Hank Davis

"To be easily amused is to live most of your life smiling."
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post #19 of 58 (permalink) Old 11-25-2012, 09:30 PM Thread Starter
I did done broke it
 
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Surviving is winning. Everything else is bullshit. Whatever it takes, kid. Survive.

Center your signatures you goddamn Neanderthals
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post #20 of 58 (permalink) Old 11-25-2012, 09:31 PM
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it happens to everyone at least once. cry about it.

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Quote:
Originally Posted by "Bronco" John Galt View Post
New nuts are in the plan.
"Kids, they see the good in everything and through their eyes, they open ours." - Hank Davis

"To be easily amused is to live most of your life smiling."
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