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  #1 (permalink)  
Old 29 May 2007, 02:21 pm
earache@spymac.com
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Default How dangerous is coolant hose failure?

Hey y'all. I have a '90 Integra that gets driven occasionally. Last
time it was in for an oil change, they told me the coolant hoses are
brittle and ought to be replaced.

Now I do plan to get this done, but maybe not right away 'cos it's
pretty expensive. Is there any danger to the car (or the people
inside) if the hoses happen to fail while I'm driving? I mean, if it
were a timing belt problem you might have some serious engine damage,
plus it's not so good to stop going if you're on the freeway or
something. But with this, I was thinking I'd see the temp go up and
hopefully have some time and be able to pull it over. Am I wrong?

Thanks.

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Old 29 May 2007, 02:51 pm
Zephyr
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Default Re: How dangerous is coolant hose failure?

If your hose breaks on a warm car, ( and inevitably that is when it will
happen due to increased pressure) you will know.
the steam will pour out from your hood pretty quickly as the rad fluid hits
the hot engine.

aside from the car overheating and the engine block cracking / warping due
to the overheating I don't think its that big of a deal to save the 100
bucks for new hoses.




for fun a buddy and I ran an old 4 cyl volkswagen fox without a rad to see
how long it would last. It ran for about 10 minutes before the engine went
bang, and would not start again. Turning the engine over there was
absolutely no compression left in the cylinders.


ymmv

Dave







<earache@spymac.com> wrote in message
news:1180466507.179051.54770@z28g2000prd.googlegro ups.com...
> Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> time it was in for an oil change, they told me the coolant hoses are
> brittle and ought to be replaced.
>
> Now I do plan to get this done, but maybe not right away 'cos it's
> pretty expensive. Is there any danger to the car (or the people
> inside) if the hoses happen to fail while I'm driving? I mean, if it
> were a timing belt problem you might have some serious engine damage,
> plus it's not so good to stop going if you're on the freeway or
> something. But with this, I was thinking I'd see the temp go up and
> hopefully have some time and be able to pull it over. Am I wrong?
>
> Thanks.
>



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  #3 (permalink)  
Old 29 May 2007, 03:13 pm
z
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Default Re: How dangerous is coolant hose failure?

On May 29, 3:21 pm, eara...@spymac.com wrote:
> Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> time it was in for an oil change, they told me the coolant hoses are
> brittle and ought to be replaced.
>
> Now I do plan to get this done, but maybe not right away 'cos it's
> pretty expensive. Is there any danger to the car (or the people
> inside) if the hoses happen to fail while I'm driving? I mean, if it
> were a timing belt problem you might have some serious engine damage,
> plus it's not so good to stop going if you're on the freeway or
> something. But with this, I was thinking I'd see the temp go up and
> hopefully have some time and be able to pull it over. Am I wrong?
>
> Thanks.


If the coolant leaks, you often don't see a rise in temp because the
temp sensor is sitting in the coolant, and when it's all of a sudden
not sitting in the coolant, it doesn't notice that the rest of the
coolant, that it's not sitting in, is heating up. In fact, two other
symptoms of coolant loss are temp going DOWN, and lack of heat from
the heater.

In a similar vein, I popped a tiny little hose going to the choke
heater in a former car, driving on the highway; too small to see any
steam, coolant flying out, etc. but sure big enough to end up with a
head that needed replacing.

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  #4 (permalink)  
Old 29 May 2007, 03:28 pm
Joe LaVigne
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Default Re: How dangerous is coolant hose failure?

earache@spymac.com wrote:

> Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> time it was in for an oil change, they told me the coolant hoses are
> brittle and ought to be replaced.
>
> Now I do plan to get this done, but maybe not right away 'cos it's
> pretty expensive. Is there any danger to the car (or the people
> inside) if the hoses happen to fail while I'm driving? I mean, if it
> were a timing belt problem you might have some serious engine damage,
> plus it's not so good to stop going if you're on the freeway or
> something. But with this, I was thinking I'd see the temp go up and
> hopefully have some time and be able to pull it over. Am I wrong?


Yes, you are wrong. Those hoses burst, and you are in for a world of hurt,
possibly. Even a short-term overheat can cause damage.

But how expensive can it be to change Coolant Hoses? They cost next to
nothing, and are easy to change. Go to a reputable mechanic and get an
estimate. Stay away from quick-lube places, especially for anything other
than oil (and probably even for that).
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  #5 (permalink)  
Old 29 May 2007, 03:51 pm
earache@spymac.com
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Default Re: How dangerous is coolant hose failure?


OKay. . thanks for setting me straight, guys.

The dealership actually wanted $430+tax to change 'em. Maybe they are
cheap on oil changes but expensive on major work, I don't know.
Didn't think to get an estimate from an independent shop at the time,
'cos I figured if it's in that ballpark I'll see if I can wait.

Guess I'll start looking around now. Any recommendations for Seattle-
area shops are welcome.

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  #6 (permalink)  
Old 29 May 2007, 04:10 pm
Tegger
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Default Re: How dangerous is coolant hose failure?

earache@spymac.com wrote in news:1180466507.179051.54770
@z28g2000prd.googlegroups.com:

> Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> time it was in for an oil change, they told me the coolant hoses are
> brittle and ought to be replaced.
>
> Now I do plan to get this done, but maybe not right away 'cos it's
> pretty expensive. Is there any danger to the car (or the people
> inside) if the hoses happen to fail while I'm driving?




If the big rad hoses break, the car will overhesat in jig time. This
often kills the engine because the Integra has a gauge (no light) that
most people ignore.

A new engine is a LOT more expensive than new rad hoses.

The smaller heater hoses usually do not fail catastrophically and can be
left until the inevitable small leaks form.



I mean, if it
> were a timing belt problem you might have some serious engine damage,
> plus it's not so good to stop going if you're on the freeway or
> something. But with this, I was thinking I'd see the temp go up and
> hopefully have some time and be able to pull it over. Am I wrong?




Yep. You won't notice until the car starts acting funny and the needle
is solidly in the red.

Sell the car or get it fixed. This is an expensive disaster in the
making.




--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #7 (permalink)  
Old 29 May 2007, 06:29 pm
earache@spymac.com
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Posts: n/a
Default Re: How dangerous is coolant hose failure?

On May 29, 1:51 pm, eara...@spymac.com wrote:
> OKay. . thanks for setting me straight, guys.
>
> The dealership actually wanted $430+tax to change 'em. Maybe they are
> cheap on oil changes but expensive on major work, I don't know.
> Didn't think to get an estimate from an independent shop at the time,
> 'cos I figured if it's in that ballpark I'll see if I can wait.
>
> Guess I'll start looking around now. Any recommendations for Seattle-
> area shops are welcome.


Just a follow-up. Greg's Japanese Auto, which gets decent reviews on
yelp.com, quoted me a little under half of what the dealership
wanted. Sheesh, dealership! If I had money to burn I'd rather go all-
in with a flush draw and at least get some excitement out of it.
Anyways, thanks people.

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  #8 (permalink)  
Old 30 May 2007, 12:49 am
Matt Ion
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Default Re: How dangerous is coolant hose failure?

earache@spymac.com wrote:
> Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> time it was in for an oil change, they told me the coolant hoses are
> brittle and ought to be replaced.
>
> Now I do plan to get this done, but maybe not right away 'cos it's
> pretty expensive. Is there any danger to the car (or the people
> inside) if the hoses happen to fail while I'm driving? I mean, if it
> were a timing belt problem you might have some serious engine damage,
> plus it's not so good to stop going if you're on the freeway or
> something. But with this, I was thinking I'd see the temp go up and
> hopefully have some time and be able to pull it over. Am I wrong?


Looks like this one has been settled for a while, but I just wanted to
add one thought:

Assuming a hose blows while you're on the highway, and you notice it
right away and manage to pull over and shut the engine off before and
damage occurs...

You still have to get the car towed to a shop, and then get the hoses
replaced. You and/or your passengers also potentially have to call
someone else or a cab to get them/yourself to wherever you were going at
the time. If you're on your way to work, don't forget to factor in any
time lost to dealing with this disaster.

Isn't it just easier and cheaper in the long run to just get the hoses
done ASAP?
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  #9 (permalink)  
Old 30 May 2007, 02:50 pm
earache@spymac.com
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Posts: n/a
Default Re: How dangerous is coolant hose failure?

On May 29, 10:49 pm, Matt Ion <soundy...@gmail.com> wrote:
> eara...@spymac.com wrote:
> > Hey y'all. I have a '90 Integra that gets driven occasionally. Last
> > time it was in for an oil change, they told me the coolant hoses are
> > brittle and ought to be replaced.

>
> > Now I do plan to get this done, but maybe not right away 'cos it's
> > pretty expensive. Is there any danger to the car (or the people
> > inside) if the hoses happen to fail while I'm driving? I mean, if it
> > were a timing belt problem you might have some serious engine damage,
> > plus it's not so good to stop going if you're on the freeway or
> > something. But with this, I was thinking I'd see the temp go up and
> > hopefully have some time and be able to pull it over. Am I wrong?

>
> Looks like this one has been settled for a while, but I just wanted to
> add one thought:
>
> Assuming a hose blows while you're on the highway, and you notice it
> right away and manage to pull over and shut the engine off before and
> damage occurs...
>
> You still have to get the car towed to a shop, and then get the hoses
> replaced. You and/or your passengers also potentially have to call
> someone else or a cab to get them/yourself to wherever you were going at
> the time. If you're on your way to work, don't forget to factor in any
> time lost to dealing with this disaster.
>
> Isn't it just easier and cheaper in the long run to just get the hoses
> done ASAP?


I have other wheels, so the Integra has been sitting mostly lately.
By "driven occasionally" I meant just a spin once or twice a month to
get the juices flowing. Since the original quote I had for the job
was around $470, and scheduling it would have been a pain until
recently, I figured I'd get around to it when it was convenient for me
schedule-wise and money-wise. But I was curious what the worst-case
scenario was for driving it in its current condition.

So to answer your question, in my case, there was no pressing need for
ASAP, and it has been helpful to me to be able to put it off for a
while.



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  #10 (permalink)  
Old 30 May 2007, 06:07 pm
jmattis@attglobal.net
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Posts: n/a
Default Re: How dangerous is coolant hose failure?

> The dealership actually wanted $430+tax to change 'em.


Yeah, I took my '90 Integra to the stealer and the deal was, they were
going to replace both upper/lower rad hoses as well as the heater
hoses. I think I was charges something like $325 but this was in the
mid-90's.

Turned out that "they don't replace heater hoses" and they screwed me
since I would have replaced the upper/lower rad hoses myself. The
heater hoses were the real bitch. They can get away with letting them
sit for a long time & they do. I wasn't supposed to notice.

I raised bloody hell with the service manager and wrangled a $100
store credit for future work. I am still pissed about it. McDavid
Acura (Plano) if you're listening, you still owe me about $200.00. So
don't wonder why I bought an EX V6 Accord instead of a TL.

Anyway, you could easily burn out the engine over a couple bucks if
you have a problem. And, as little as you are driving the car, you're
ruining it anyway. Either fix it and drive it more, or sell it and
let someone rice it out. The rad hoses aren't hard, you should just
do it yourself. I suggest Honda OEM hoses, but I've seen them get
explosively soft in as little as 2 years, so let's all go out and
check them right now....



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