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  1. D

    Dumb question - Valley Leak

    Dumb question 2: after using fixing with the 1282b sealant, should I let the truck sit for awhile (few days?) to let it cure? I drove it home but other than that, not sure if it's okay to drive immediately or if i should let the sealant cure for period. Is there a recommendation? It's not a...
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    Dumb question - Valley Leak

    Thanks, good to know. My mistake - I thought the valley leak was primarily because of leak through the heat exchanger. Inspection eliminated the manifolds and pointed to the heat exchanger. I guess that's what I was expecting although seemed a bit surprising to the shop. No biggie, just...
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    Dumb question - Valley Leak

    Thank you. Just making sure the shop, me and you guys are all talking about the same thing. I got confused for a min. Seemed like the shop was surprised that the heat exchanger cover was the culprit.
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    Dumb question - Valley Leak

    Hi - I'm mechanically challenged. This valley leak that seems prominent, from where is the coolant leaking into the valley? I've seen mention of manifolds and heat exchangers. Are both of these possibilities leading to coolant in the valley? Or is the leak really from the heat exchanger and...
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    Thanks, good to know. I had the impression that the SAIS valves needed to be replaced eventually (not sure what the general failure point is - 150K miles? I'd imagine it depends on the shape of the SAIS filter at the pump and the local environment). I've got about 130K miles so if that's the...
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    I'll take a look again. I can't tell if the radiator has been replaced before or not (I'm not the original owner). But it's still the old version. I don't think it's cracking at the moment - hard for my novice eyes to really tell. If the radiator has been replaced, maybe I'll keep it. If...
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    Thank you. Okay so the instruction list stand at: 1. Have the shop use gasket compound 1282b (08826-00100), black rubbery compound vs what may be the factory default grey compound. 2. Replace the manifold gasket as well (17171-0S030); don't reuse the existing gaskets 3. Replace the PCV valve...
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    I've been deferring fixing the valley leak in my LX for awhile now for various reasons. But I think it's finally time to get it done. It's been awhile since I've read through the various threads on this. I could use some inputs on what I think I've gleaned from them re: what to do - please...
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    Thanks - will do.
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    Kind of "Mystery" Coolant leak back of engine (heat exchanger valley leak)

    I have a dumb question. I think my LX570 has or had the valley leak. I've been losing fluid from the overfill reservoir. I recently took a trip and I filled the reservoir beforehand. In the middle of the trip, I checked it (cold, morning) and it was about half full between the L and H lines...
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    SQOD Squad - Stupid Question Of the Day

    Ah, sorry. I misunderstood. Actually, all 5 tires are 'new' as I'm doing a 5 tire rotation. The spare was old and it was the original stock p-metric tire. All tires are now A/T. I bought the vehicle used; the tpms sensors may still have a good 7 years of life on them. A new sensor is about...
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    SQOD Squad - Stupid Question Of the Day

    I've been trying to figure out the date code for the tpms sensors I have. I've been searching online but haven't found a decoder yet. Anybody know what the code is? I have a Continental(?) Redi-Sensor and a Toyota / Pacific Industrial tpms sensors.
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    SQOD Squad - Stupid Question Of the Day

    Thanks. So I guess just coincidence that the spare which has been indicating low pressure had a battery failure. Maybe others will fail shortly as well.
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    SQOD Squad - Stupid Question Of the Day

    Dumb question but this is my first vehicle with tpms. If a tire is under pressured and triggering the warning on the dash, is its tpms sensor draining its battery faster? Is it perhaps outputting more data and or more frequently?
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    SQOD Squad - Stupid Question Of the Day

    If a TPMS sensor goes dead, is there a reason the "Check TPMS System" indicator shows instead of continuing to show the pressures for other tires from which data is available? Just show one of the sensors is offline or something. Not only do you lose information from other wheels, but now you...
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    SQOD Squad - Stupid Question Of the Day

    Thanks - okay, so aftermarket may be okay? I thought I saw some thread that cautioned against aftermarkets. But perhaps that was just in context of cheap ones off Amazon ($60 for 4). Brand name tire shop aftermarket are good to go?
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    SQOD Squad - Stupid Question Of the Day

    Hi - I know this is dumb but the TPMS sensors cost much more than I thought they would. I have an '08 LX570. I have a Check Tire Pressure System warning on the dash. Tire shop said that one of the TPMS is bad (dead battery); btw, is there a way to confirm this w/ the OBD reader I have? I'm...
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    '08 LX - AC controls are not responsive

    I’ll keep that in mind. Next time we have a good rain, I’ll drive it around and see if it pours.
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    '08 LX - AC controls are not responsive

    Quick update. Today, the gremlins seem to have left the building. Everything is working as normal. Go figure. Watch item.
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    '08 LX - AC controls are not responsive

    Thanks - sounds like your issue is more severe. Hopefully my issue is not progressive in nature and the issues end up being the same. But would like to know what your issue ends up being and what the resolution was. If it's just a reboot / reset of sorts, perhaps the resolution could apply...
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