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Old 07-20-2014, 07:01 PM   #1
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Radiator leak

I have a 2006 discovery 39s, the radiator has a pin hole leak right below the radiator cap. Do I need to buy a new radiator or can it be fixed? It looks plastic!
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Old 07-20-2014, 07:07 PM   #2
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Call your local Radiator Shop and get a first hand professional opinion !
On here you'll hear about JB weld ect. Repair it right the first time.
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Old 07-20-2014, 07:16 PM   #3
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Originally Posted by NHRA225 View Post
Call your local Radiator Shop and get a first hand professional opinion !
On here you'll hear about JB weld ect. Repair it right the first time.
What he said. Cheaper in the long run.
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Old 07-20-2014, 08:24 PM   #4
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I have a 2006 discovery 39s, the radiator has a pin hole leak right below the radiator cap. Do I need to buy a new radiator or can it be fixed? It looks plastic!
It could be plastic. Is it located on the rear passenger side and pretty high up inside the rear hatch and behind the Hydraulic Reservoir and behind the rubber flap (see picture and arrow)? If that is where you have your leak, it's the surge tank, and it is plastic, and these are know to crack and leak when the plastic ages. I hear replacement is not real hard, and some are replacing with metal tanks.
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Old 07-20-2014, 11:42 PM   #5
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Agree with the advice to get a professional opinion, but as an FYI of sorts, I had a classic car with several small radiator leaks. I used jb weld high heat putty stick which is malleable but dries hard as a rock to patch. Hundreds of miles later going strong with no leaks. A possible back up plan until you can raise the funds for a full repair- the ideal choice for a long haul vehicle . Good luck
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Old 07-21-2014, 08:04 AM   #6
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Thank you! That's were the problem is! Do you know if I go to a radiator shop to the RV shop to get this fixed? Or can I buy the part and do it myself?
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Old 07-21-2014, 08:12 AM   #7
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I would start with a radiator shop...Phone ahead and ask the questions ...radiator shop or RV repair.. They'll give you the best advice. Good luck with the repair.
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Old 07-21-2014, 08:41 AM   #8
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Check out Discovery Owners and they will be others there that have fixed that problem. And how they done it.
DOAI MAIN PAGE
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Old 07-21-2014, 08:56 AM   #9
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IF it is your surge tank, don't even waste your time calling a radiator shop. Just call up your chasis manufacture and order a new one. It takes about 15-30 minutes to do the swap.

Mine broke last month on our trip between Phoenix to Vegas on Hwy 93 pulling that nasty grade. Went to every radiator shop, chassis shop, big rig shop, etc. in Kingman, AZ & Las Vegas, NV, everyone was pretty much worthless. Everyone I called said yea, we can fix you, then when I pulled up at shop, they quickly said sorry we cant fix that. Even tried to get several fabrication shops to make me a tank out of Aluminum or Stainless in lieu of these cheesy plastic tanks, no luck either.

Only helpful person was a guy at a TA truck stop that told me JB Weld the plastic, which I did, and was able to limp the rig from Kingman, AZ to Carson City, NV where Spartan could ship me in a replacement tank.

If you are stuck somewhere, JB weld will work for a bit until you can get a replacement tank. Mine was $525+$65 for next day shipping.

Good Luck!
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