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Canadian Poncho Homepage -> Canadian Poncho -> Hobbies and other interests -> what would cause this? Wifes 1999 silverado rad
Post Info TOPIC: what would cause this? Wifes 1999 silverado rad
hawkeye5766


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what would cause this? Wifes 1999 silverado rad
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So my wife tells me she's had to add coolant the last couple of days to her rad. Good on her to notice!! PUlled the truck into the shop and removed this... Truck has never been hit and we've owned it for 15 years! Can't figure out how the rad got bent by this much??? Lucky I kept the rad from the truck I stole the LS out of for my Canso...so was a freebee exchange.  But still wondering how this could happen??

 

rad.JPG

 

rad1.JPG



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4SPEED427


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I've seen a frozen rad look similar to that but I doubt that is the issue here. Otherwise I don't know I've seen that. Hope someone has some ideas here.

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hawkeye5766


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Truck has always had anti freeze and checked/refurbished over the last 15 years. Just can't figure out how this would happen? Tried...but can't push it back in by hand;so it's not week by any means and I know it has never been froze. Just has me puzzled?

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StriperSS


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How fast does she drive? Maybe the air resistance............biggrin



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73SC


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I have a 1999 Suburban with one rad change so far so I was interested in this. 

My speculation would be concussion damage from severe road damage or pot holes being hit at speed. 



-- Edited by 73SC on Monday 22nd of March 2021 12:04:02 AM

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hawkeye5766


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StriperSS wrote:

How fast does she drive? Maybe the air resistance............biggrin

 Wouldn't complain if that was the case...keeps it carbon clean. Or should that be carbon neutral? biggrin



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hawkeye5766


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73SC wrote:

I have a 1999 Suburban with one rad change so far so I was interested in this. 

My speculation would be concussion damage from severve road damage or pot holes being hit at speed. 

 owned for 15 years with no accidents, also has an AC condenser in front of it and always had coolant...



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MC


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Is there an opening right in front of that lower section of the rad that would allow snow to get packed into the fins?  The snow then melts when parked while the rad is warm, then as it cools down the melted or partially melted snow freezes and and expands creating pressure between the fins?  Over the years the fins start to open up, allowing more snow to pack in and more thaw/freeze cycles?

Just a theory, I have no idea otherwise.



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694279


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HI road salt the rads is made of shit


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68 Grande


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Possibly having snow rammed in there by driving into a snow bank?

My wife damaged our 2017 Acadia front valance by easing into a parking spot where the snow had been cleared and the front of the parking space still had a snow / ice wall that was below her line of vision and she stuck the nose right into hardened snow pack breaking the plastic valance. At minus 30, plastic is very brittle. The front of nose was jammed full of snow and I noticed this and asked who did this (thinking one of our children did it) onlyy for her to pipe up that she must have did this at work.

Just some theories.



-- Edited by 68 Grande on Monday 22nd of March 2021 07:43:44 AM

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Fake68


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AGE... core separation from corrosion and age... It's actually quite common,

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beaumontguru


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Ya,  aluminium automotive parts corrode fast! these days.  cheap crap materials.  road salt will eat them up faster than rusty sheetmetal



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MC


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I was going to suggest corrosion, but usually aluminum corrosion is only a problem when it is in contact with a dissimilar metal (i.e. steel).  On its own it typically just develops a skin of corrosion and stops.  This is why aluminum rads usually have cores, fins and tanks all made from aluminum.



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66 Beau


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Are the tubes at the bottom ballooned out, or are they more flattened?

If its the latter, Im wondering if water would run down the outside of the rad, collecting between rows at the bottom, then freeze.

If the tubes are ballooned, it would suggest freezing inside the tubes.

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jmont64


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You guys are missing one point, he is on the Island and it never freezes there. Most of the time it is in the low 30s. We have another couple of weather reporters there who will back that up.

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Jerel
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a friend of mine lives in Halifax every five  years has to buy a new barbecue  the salt air corrodes it really bad from the ocean air



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cdnpont


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I bet the the lower tubes have just expanded over time, and begun to curve down causing the fins to detach on their own.

Poor quality materials (tubes) I'd say. 



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timbuk


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jmont64 wrote:

You guys are missing one point, he is on the Island and it never freezes there. Most of the time it is in the low 30s. We have another couple of weather reporters there who will back that up.

 she must have overheated in the salty air



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MC


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timbuk wrote:
jmont64 wrote:

You guys are missing one point, he is on the Island and it never freezes there. Most of the time it is in the low 30s. We have another couple of weather reporters there who will back that up.

 she must have overheated in the salty air

 Must be an island thing.  biggrin



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hawkeye5766


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jmont64 wrote:

You guys are missing one point, he is on the Island and it never freezes there. Most of the time it is in the low 30s. We have another couple of weather reporters there who will back that up.

 Have to agree Jerel. Most guys on the rock don't even winterize their RV!!  Thinking old age or was there before we bought the truck. Funny the rad was leaking at the top where the tank is crimped on....not at the bottom!?



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