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Let's get some perspective: Is your Grenadier AC working as it should?

G-Man

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Who else's AC is batsh1t crazy and randomly blows hot air one day and cold the next on the exact same setting? I don't think the AC system got the attention it deserved during the 1.2 million miles of road testing, that's for sure. I love my new truck but it's the one thing that drives me nuts on pretty much a daily basis as I fiddle away at the controls and I'm surprised Ineos haven't found a fix for it yet. I gather it's down to sticky solenoid valves or such like and is probably an expensive warranty concern for them.

It would be useful to set up a poll on this forum and get an idea of what percentage and numbers of owners here have flaky AC. This forum must represent a decent amount of the Grenadier owner population, perhaps it would help sharpen Ineos' perspective on the issue if it popped up on every Google search relating to Grenadier AC issues. I don't have the ability to raise a forum poll but maybe @Stu_Barnes would consider it a worthy exercise
 

Skydance

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I think it’s replaced air like Bemax has said. Just needs topping up and eventually when all the air has escaped it should settle. With some, it may need a second purge.
 
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I only use manual mode. For heat, I set the flaps to floor, turn speed to 1, and adjust temp dial for the desired temp (momentarily displayed at the top of the screen). To change the heat I increase fan speed, or turn the temp dial up/down. Most often I just crack two windows open to vent.

Isn’t this how manual should work?
Yeah but floor mode doesn’t put air out of the rear vents
 
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jbliii

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Who else's AC is batsh1t crazy and randomly blows hot air one day and cold the next on the exact same setting? I don't think the AC system got the attention it deserved during the 1.2 million miles of road testing, that's for sure. I love my new truck but it's the one thing that drives me nuts on pretty much a daily basis as I fiddle away at the controls and I'm surprised Ineos haven't found a fix for it yet. I gather it's down to sticky solenoid valves or such like and is probably an expensive warranty concern for them.

It would be useful to set up a poll on this forum and get an idea of what percentage and numbers of owners here have flaky AC. This forum must represent a decent amount of the Grenadier owner population, perhaps it would help sharpen Ineos' perspective on the issue if it popped up on every Google search relating to Grenadier AC issues. I don't have the ability to raise a forum poll but maybe @Stu_Barnes would consider it a worthy exercise
Thank for the post - I’ve had my Grenadier one week - last night noticed that I could only get cold air of the top vents - tried isolating the issue - tried auto mode and changing the venting - tried adjusting the heat several times notice that the display for auto where you see the temp bar showing temp stopped working - tried stopping and restarting - tried manual mode - at the end settled on foot well heating and manually shut the dash vents - am call my dealer today - system was working well so not sure what changed...
 
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74CampySuperRecord

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The only issue that I have experienced with the AC was during the Moab meet on the last trail ride of the weekend. The AC started blowing hot air for no apparent reason. I shut it off for about 30 minutes or so then hit Auto. Voila, cold air again.

Driving around Phoenix in 110F+ temperatures, I have never had a problem like in Moab.
 
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Resurrecting this thread a tad. I have no AC as far as I can figure, hot is inconsistent.

The blue cap reservoir is just below min, the black cap reservoir is quite dry. I’m going to level them out to max with distilled water (ht-12 on order) and see if that helps things
 
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Jiman01

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Resurrecting this thread a tad. I have no AC as far as I can figure, hot is inconsistent.

The blue cap reservoir is just below min, the black cap reservoir is quite dry. I’m going to level them out to max with distilled water (ht-12 on order) and see if that helps things
JIC it’s available/convenient for you, if you go to a BMW dealer they should have the coolant in stock. Definitely needs to be filled from your observations.
 
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Skydance

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Resurrecting this thread a tad. I have no AC as far as I can figure, hot is inconsistent.

The blue cap reservoir is just below min, the black cap reservoir is quite dry. I’m going to level them out to max with distilled water (ht-12 on order) and see if that helps things
100% it will. Fill them both to max and it will work. Reason why it’s dropped is because it’s replaced the lost air and needs topping up.
 
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Jackattack13

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Mine worked solidly until two weeks ago. While travelling on holiday up to high elevations, the heater refused to blow warm air on AUTO or MANUAL. Full heat set, AC off and ice cold air blowing through the vents. (Outside temp was about 29F). Needless to say, I was not happy. I had my 7 year old and pregnant fiance with me, and having the inability to maintain a comfortable environment is ridiculous and dangerous as the windows were fogging and I had no ability to defog the windows because the heat was not working. Nothing more fun than coming down mountain roads in thick fog, with fogged windows.

My AC recently started acting up as well. Full cold, manual mode, luke warm air coming out of the vents.

In a previous experience, I had a loaner while my truck was in for service, the temp was aprox 108F and the AC refused to work while on a road trip. Brand new loaner. NO A/C. Dangerous conditions TBH, and nothing like showing up to your destination drenched in sweat.

They have a clear issue here. It is NOT coincidence that so many folks are having issues. The fact that they claim 1 million miles of testing, yet they let the poor HVAC design slide through to production is a bit concerning.
 
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Mine worked solidly until two weeks ago. While travelling on holiday up to high elevations, the heater refused to blow warm air on AUTO or MANUAL. Full heat set, AC off and ice cold air blowing through the vents. (Outside temp was about 29F). Needless to say, I was not happy. I had my 7 year old and pregnant fiance with me, and having the inability to maintain a comfortable environment is ridiculous and dangerous as the windows were fogging and I had no ability to defog the windows because the heat was not working. Nothing more fun than coming down mountain roads in thick fog, with fogged windows.

My AC recently started acting up as well. Full cold, manual mode, luke warm air coming out of the vents.

In a previous experience, I had a loaner while my truck was in for service, the temp was aprox 108F and the AC refused to work while on a road trip. Brand new loaner. NO A/C. Dangerous conditions TBH, and nothing like showing up to your destination drenched in sweat.

They have a clear issue here. It is NOT coincidence that so many folks are having issues. The fact that they claim 1 million miles of testing, yet they let the poor HVAC design slide through to production is a bit concerning.
It would be interesting to see what issues Ineos had during the 1 million miles of testing:).
 
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Mine worked solidly until two weeks ago. While travelling on holiday up to high elevations, the heater refused to blow warm air on AUTO or MANUAL. Full heat set, AC off and ice cold air blowing through the vents. (Outside temp was about 29F). Needless to say, I was not happy. I had my 7 year old and pregnant fiance with me, and having the inability to maintain a comfortable environment is ridiculous and dangerous as the windows were fogging and I had no ability to defog the windows because the heat was not working. Nothing more fun than coming down mountain roads in thick fog, with fogged windows.

My AC recently started acting up as well. Full cold, manual mode, luke warm air coming out of the vents.

In a previous experience, I had a loaner while my truck was in for service, the temp was aprox 108F and the AC refused to work while on a road trip. Brand new loaner. NO A/C. Dangerous conditions TBH, and nothing like showing up to your destination drenched in sweat.

They have a clear issue here. It is NOT coincidence that so many folks are having issues. The fact that they claim 1 million miles of testing, yet they let the poor HVAC design slide through to production is a bit concerning.
God damn how incompetent were these Ineos engineers (or their subcontractors?)
 
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Jackattack13

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God damn how incompetent were these Ineos engineers (or their subcontractors?)
I personally don't understand how they messed up a system so bad that has been slowly perfected over the last 100 years of automobile design. I feel like it was a decision to release "as-is" to meet release timelines.
 
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IslandFalconer

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God damn how incompetent were these Ineos engineers (or their subcontractors?)
It’s hard to say if it was incompetence, or a rush to get trucks out the door, or if sub contractors didn’t build to spec. But it’s hard to understand how there seems to be many issues that should never have been an issue at all. And the delay in providing a software update is just as unbelievable. I’m fairly certain many of these issues can be resolved with a proper software Update.
 
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bradb622

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I have to correct a previous post of mine. I said with some fiddling I can always get the heat to work. Not true this morning when I took the Grebadier instead of my daily driver. It was 22 degrees outside (Grenadier lives garaged) & a 20 minute drive. It generated a small amount of heat but with my hand on the vent it was still hard to tell. Thank goodness for the overpowered seat heaters!
Clearly I won’t be taking the Grenadier out on cold mornings until I can get it looked at again.
I’m hopeful a fix can be found for the many vehicles already out there with HVAC issues. Ineos must be aware at this point.
 
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Znarfgh

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The system is not as good as it is in other vehicles but mine works reasonably well, particularly the air conditioning with the fans merrily howling away. Important to keep the hot and cold circuit reservoirs topped up and to bleed the system occasionally. I have found a difference between the outputs of the upper and lower vents but once the reservoirs were topped up it seemed to settle. Hard to tell at the moment as we are having 30-40 degree Celsius days.
 
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4x4Brick #1561

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Finally getting a little cold in Houston and I'm finding out my heater is working very inconsistent. If temp range placed from cold to any setting other than full hot then the temperature does not change. This is with the AC button on (no change with AC button off as well), recycled air on and 'Auto' temperature engaged. I need to get one of those vent temp gauges but I could discern no warming at all with the intermediate temp settings. Stayed on each one for around 3-5 min to give a change to 'warm up' but nothing. At full heat there is a 'whoomp' and you can hear a damper close, the air out of the vents decreases and you can feel it warm up. But full heat is too much for long in 'not that cold' Houston so if I turned it back one notch it went from way hot back to cold. Strange. Need to document before taking to dealer. Anyone have any how to get medium temperate air out of the system?
 
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The system is not as good as it is in other vehicles but mine works reasonably well, particularly the air conditioning with the fans merrily howling away. Important to keep the hot and cold circuit reservoirs topped up and to bleed the system occasionally. I have found a difference between the outputs of the upper and lower vents but once the reservoirs were topped up it seemed to settle. Hard to tell at the moment as we are having 30-40 degree Celsius days.
How is the upper and lower vents’ segregation related to coolant system? It either works all or none. The fact that some vents work and some do not, isolates the root cause the hvac system entirely
 
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How is the upper and lower vents’ segregation related to coolant system? It either works all or none. The fact that some vents work and some do not, isolates the root cause the hvac system entirely
Does the Grenadier use a Parking-Heater? If so then their are two heaters in the mix. Just a thought.

 
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Does the Grenadier use a Parking-Heater? If so then their are two heaters in the mix. Just a thought.

It’s not like one of the vent group NEVER gets hot. Individually, I can get them all to blow hot air, via different hvac modes..

there is just not a way for all the vents(top, bottom, front row, 2nd row) to simultaneously blow hot air reliably. This is clearly an hvac control system issue.

In one permutation of the hvac mode that is most promising for heat delivery (bi-level), the fucking thing whistles like there is a leak in all my windows, so I can’t settle on that mode either.

Such comical failure for something that is trivial, is frustratingly annoying. I am trying to avoid having my spouse experiencing this. Trying not to give more ammunition for her sentiment of having “bought a stupid car” 😂😂 (We already had a laugh as a family yesterday when I said no, I can’t increase the bass right now while we are driving. I have to lift up the rear seat and adjust the bass with a screwdriver 😂😂)
 
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