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2006 LR3 V6 Overheating - Heater Hose Disconnection – Access Issue

Old Sep 2, 2024 | 10:13 AM
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Default 2006 LR3 V6 Overheating - Heater Hose Disconnection – Access Issue

Hi LR Gang,

I had some overheating issues that caused a heater hose to become disconnected at a T junction from another hose that runs vertical and is located behind the engine, just before the heater hose enters the cab. I’m not sure what the hose is or what it does but it isn’t included with Atlantic British’s coolant kit. I’ve found it nearly impossible to get a good look and access it due to its location behind the engine. This disconnection is leading to more overheating issues as coolant is dumping.

I’ve seen a couple videos on youtube where the heater hoses are replaced and the connection I’m trying to get to is accessed but they are the V8 LR3 which seems to have a lower sitting engine body and thus much easier to get to. Any tips on how to access the area just below the heater hoses behind the engine on the V6?

Alternatively, if I can’t reconnect the hoses, I’ve considered plugging the heater hoses. I live in FL so heat in the cab isn’t necessary. Would this be a viable option? If so, any idea how and where exactly to plug?

Thanks!
 
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Old Sep 2, 2024 | 12:32 PM
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Can you not trace the hoses closer to the front of the engine? I am not familiar with the V6. But if you can, then you could easily plug them there instead of way in back. Normally the ones in back feed the dash heater core - those actually enter the firewall. If you have a second set that goes down towards the wheel well, then those head off to supply the rear heater core. And from your description, that is what is sounds like. So you could cut the T fitting out and insert a straight ****** union with a couple clamps and take the rear core out while preserving the front dash heater core.
 
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Old Sep 2, 2024 | 06:39 PM
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Originally Posted by DakotaTravler
Can you not trace the hoses closer to the front of the engine? I am not familiar with the V6. But if you can, then you could easily plug them there instead of way in back. Normally the ones in back feed the dash heater core - those actually enter the firewall. If you have a second set that goes down towards the wheel well, then those head off to supply the rear heater core. And from your description, that is what is sounds like. So you could cut the T fitting out and insert a straight ****** union with a couple clamps and take the rear core out while preserving the front dash heater core.
Thanks for the response. Yes I am able to track the heater hoses to the front and that's where I'll plug them if it comes to that. Ideally I'd like to reconnect the heater hoses if possible especially considering I'm not exactly sure what the hose does that came disconnected. But since you think that hose runs to the rear heater core I'm fine to leave it disconnected and out of use.

It's a huge pain in the *** to get behind the engine to the T fitting so I think I'll just plug the heater hoses up closer to the front of the engine and be without heat in the cab. I couldn't tell you the last time I used it.

Thanks again.
 
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Old Sep 2, 2024 | 07:51 PM
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Yeah, I am pretty sure those are heater core hoses. But not knowing the V6, I can not be 100% certain. Generally anything engine cooling related will only be up at the front end.
 
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