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  #1 (permalink)  
Old 14 Nov 2004, 01:07 pm
Paul Banchero
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Default '91 Civic Si radiator upper tank split

The upper tank on my '91 Civic Si radiator has a split 1" - 2" long
immediately above one of the two brackets that support the air intake
horn - the one closest to the battery. (And, no - I haven't leaned
on the air horn in the past, though that kind of pressure is what
causes the split to widen.)

Realistically, is this repairable by a radiator shop? The tank is
made of rather thin metal (brass?; aluminum?). I wonder whether
soldering or brazing would work. I suspect that the shop might
suggest the replacement of the tank. The alternative is $326 for a
new radiator!

I intend to keep the car for some time.

Thanks.

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  #2 (permalink)  
Old 14 Nov 2004, 01:18 pm
Grumpy au Contraire
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Default Re: '91 Civic Si radiator upper tank split



Paul Banchero wrote:
>
> The upper tank on my '91 Civic Si radiator has a split 1" - 2" long
> immediately above one of the two brackets that support the air intake
> horn - the one closest to the battery. (And, no - I haven't leaned
> on the air horn in the past, though that kind of pressure is what
> causes the split to widen.)
>
> Realistically, is this repairable by a radiator shop? The tank is
> made of rather thin metal (brass?; aluminum?). I wonder whether
> soldering or brazing would work. I suspect that the shop might
> suggest the replacement of the tank. The alternative is $326 for a
> new radiator!
>
> I intend to keep the car for some time.
>
> Thanks.




There are plenty of after market radiator alternatives far cheaper than
$325... Do a Google search and get a new unit.


--
JT

Just tooling through cyberspace in my ancient G4
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  #3 (permalink)  
Old 14 Nov 2004, 01:23 pm
Caroline
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Default Re: '91 Civic Si radiator upper tank split

Is that $326 for just the part or parts and labor? If it's just
the part, consider:

1.
An online new OEM radiator purchase from a place like
http://www.hondaautomotiveparts.com/...catdisplay.jsp ?
They want around $250 (add another $20 or so for S/H) for a new
radiator for one of the 91 Civic SI radiators I looked at. Labor
of course will bring this up to a higher cost, unless you are a
DIY-er. http://www.hondiscountparts.com/ looks to have even
better prices ($117-$158, with free shipping over $50).

2.
A local or online salvage yard? Many yards have online search
engines that are very precise. I used www.olstons.com this past
year for a new crankshaft pulley. The transaction went really
well. The part was just fine.


Seems like there have been a fair number of posts here over the
years about failed radiators for early 1990s Hondas. I can add
that, while a dealer shop was diagnosing what turned out to be a
distributor rotor problem on my 91 Civic LX 4-door sedan, they
broke the top of my car's radiator. I didn't get the details.
They just explained this to me when I went to get the car, adding
that I'd got a free, new radiator out of the deal. (But
considering what they charged me for the rotor problem... oh
never mind. It was still less than the cost of a new radiator.)

"Paul Banchero" <banchero1@mindspring.com> wrote
> The upper tank on my '91 Civic Si radiator has a split 1" - 2"

long
> immediately above one of the two brackets that support the air

intake
> horn - the one closest to the battery. (And, no - I haven't

leaned
> on the air horn in the past, though that kind of pressure is

what
> causes the split to widen.)
>
> Realistically, is this repairable by a radiator shop? The tank

is
> made of rather thin metal (brass?; aluminum?). I wonder

whether
> soldering or brazing would work. I suspect that the shop might
> suggest the replacement of the tank. The alternative is $326

for a
> new radiator!
>
> I intend to keep the car for some time.
>
> Thanks.
>



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  #4 (permalink)  
Old 14 Nov 2004, 02:28 pm
Grumpy au Contraire
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Posts: n/a
Default Re: '91 Civic Si radiator upper tank split

Radiators just ain't built as well as they used to be.

For example, my 1983 Civic FE project had a mere 110K when it suffered a
cracked head/bad head gasket probably by a driver who ignored the
instrument panel.

The car sat for over ten years before I bought it this summer. After I
swapped the engine out I brought the radiator (which looked in good
shape) to a radiator repair shop of high repute. After cleaning it out
(disassembling the tanks and rodding the core), it proved to be totally
porous. So much for modern radiators, even the full metal one(s).

Oh, and if the dealer ship (As Caroline noted), breaks something, you
can bet your bippy that they even it out somehow...

JT




Caroline wrote:
>
> Is that $326 for just the part or parts and labor? If it's just
> the part, consider:
>
> 1.
> An online new OEM radiator purchase from a place like
> http://www.hondaautomotiveparts.com/...catdisplay.jsp ?
> They want around $250 (add another $20 or so for S/H) for a new
> radiator for one of the 91 Civic SI radiators I looked at. Labor
> of course will bring this up to a higher cost, unless you are a
> DIY-er. http://www.hondiscountparts.com/ looks to have even
> better prices ($117-$158, with free shipping over $50).
>
> 2.
> A local or online salvage yard? Many yards have online search
> engines that are very precise. I used www.olstons.com this past
> year for a new crankshaft pulley. The transaction went really
> well. The part was just fine.
>
> Seems like there have been a fair number of posts here over the
> years about failed radiators for early 1990s Hondas. I can add
> that, while a dealer shop was diagnosing what turned out to be a
> distributor rotor problem on my 91 Civic LX 4-door sedan, they
> broke the top of my car's radiator. I didn't get the details.
> They just explained this to me when I went to get the car, adding
> that I'd got a free, new radiator out of the deal. (But
> considering what they charged me for the rotor problem... oh
> never mind. It was still less than the cost of a new radiator.)
>
> "Paul Banchero" <banchero1@mindspring.com> wrote
> > The upper tank on my '91 Civic Si radiator has a split 1" - 2"

> long
> > immediately above one of the two brackets that support the air

> intake
> > horn - the one closest to the battery. (And, no - I haven't

> leaned
> > on the air horn in the past, though that kind of pressure is

> what
> > causes the split to widen.)
> >
> > Realistically, is this repairable by a radiator shop? The tank

> is
> > made of rather thin metal (brass?; aluminum?). I wonder

> whether
> > soldering or brazing would work. I suspect that the shop might
> > suggest the replacement of the tank. The alternative is $326

> for a
> > new radiator!
> >
> > I intend to keep the car for some time.
> >
> > Thanks.
> >


--
JT

Just tooling through cyberspace in my ancient G4
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  #5 (permalink)  
Old 14 Nov 2004, 04:01 pm
Michael Pardee
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Posts: n/a
Default Re: '91 Civic Si radiator upper tank split

There is probably no repair for the tank you have. Something caused it to
crack in the first place - probably erosion on the inside.

A good radiator shop can and will replace tanks on many radiators, assuming
the core is in good shape. My Volvo had plastic tanks, and my favorite rad
shop replaced the cracked top tank with a good metal one and rodded the core
for $75, cash and carry. (I did the removal and installation.) A decade
later it is still doing a good job.

Mike

"Paul Banchero" <banchero1@mindspring.com> wrote in message
news:6p8fp0dis6pl0o7rneq1sbgeqvugm5ng15@4ax.com...
> The upper tank on my '91 Civic Si radiator has a split 1" - 2" long
> immediately above one of the two brackets that support the air intake
> horn - the one closest to the battery. (And, no - I haven't leaned
> on the air horn in the past, though that kind of pressure is what
> causes the split to widen.)
>
> Realistically, is this repairable by a radiator shop? The tank is
> made of rather thin metal (brass?; aluminum?). I wonder whether
> soldering or brazing would work. I suspect that the shop might
> suggest the replacement of the tank. The alternative is $326 for a
> new radiator!
>
> I intend to keep the car for some time.
>
> Thanks.
>



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  #6 (permalink)  
Old 15 Nov 2004, 08:42 pm
burt squareman
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Posts: n/a
Default Re: '91 Civic Si radiator upper tank split

"Paul Banchero" <banchero1@mindspring.com> wrote in message news:6p8fp0dis6pl0o7rneq1sbgeqvugm5ng15@4ax.com...

> The upper tank on my '91 Civic Si radiator has a split 1" - 2" long
> immediately above one of the two brackets that support the air intake
> horn - the one closest to the battery. (And, no - I haven't leaned
> on the air horn in the past, though that kind of pressure is what
> causes the split to widen.)
> Realistically, is this repairable by a radiator shop? The tank is
> made of rather thin metal (brass?; aluminum?). I wonder whether
> soldering or brazing would work. I suspect that the shop might
> suggest the replacement of the tank. The alternative is $326 for a
> new radiator! I intend to keep the car for some time.
> Thanks.


I've done 2-3" brazing (on my Civic) using a radiator solder core with
great results. I'll bet very few shops are willing to repair it.






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