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Planet-9

991.1 Coolant Bleeding

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Original source
9 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH991.1 Coolant Bleeding

Leading reported evidence

Check log, the executed commands got rejected

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

"Engineers checked the log, the executed commands got rejected, which means it is not supported by the ecu.

991.1 Coolant Bleeding
Read full discussion summary

Leading evidence: 'Check log, the executed commands got rejected' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check log, the executed commands got rejected' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

Read captured replies

1 matching discussions · 9 captured posts examined · 1 partial discussions

Compare 4 other evidence results

Fill coolant system utilizing a vacuum system

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I had already filled the coolant system utilizing a vacuum system, so I followed their suggestion and all seems well so far.

991.1 Coolant Bleeding

Run into the same error

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

The mechanic I took it also ran into the same error.

991.1 Coolant Bleeding

Use leak detection, purging airlocks, a/c system refill : automotive

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Amazon.com: UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit, OEM Approved, Universal Connectors, Minimum 90 PSI/60 Bar, Used for Leak Detection, Purging Airlocks, A/C System Refill : Automotive

991.1 Coolant Bleeding

Use maxicom mk808z

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I'm using a MaxiCOM MK808Z on a 2012 convertible.

991.1 Coolant Bleeding
Frequently discussed actions (8)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check log, the executed commands got rejected

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

"Engineers checked the log, the executed commands got rejected, which means it is not supported by the ecu.

991.1 Coolant Bleeding

Fill coolant system utilizing a vacuum system

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I had already filled the coolant system utilizing a vacuum system, so I followed their suggestion and all seems well so far.

991.1 Coolant Bleeding

Run into the same error

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

The mechanic I took it also ran into the same error.

991.1 Coolant Bleeding

Use leak detection, purging airlocks, a/c system refill : automotive

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Amazon.com: UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit, OEM Approved, Universal Connectors, Minimum 90 PSI/60 Bar, Used for Leak Detection, Purging Airlocks, A/C System Refill : Automotive

991.1 Coolant Bleeding

Use maxicom mk808z

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I'm using a MaxiCOM MK808Z on a 2012 convertible.

991.1 Coolant Bleeding

Use scan tool

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

to use a scan tool to force the pump to run and open/close various flaps.

991.1 Coolant Bleeding

Use uview airlift

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

You will need to use an Uview Airlift

991.1 Coolant Bleeding

Use vacuum system

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

To ensure that ALL the air pockets are removed from the entire cooling system (engine, pipes, heater core, radiators, etc.,) you need to use a vacuum system, this tool requires an air compressor.

991.1 Coolant Bleeding
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Planet-9: 1 discussions

0 evidence records excluded for query context · 1 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T142254Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

Hi All, Has anyone sucessfully bleed the coolant of an early 991.1 Carrera /base model using an Autel scantool? When I try, I am getting an error, Negative Responses Key:11 The frunk is open (this tells the car it is in service mode I have discovered) The engine running (as requested by the Autel, apparently this is a thing for the earlier 991.1 cars). The voltage is 13.2v I have tried with the engine access / boot open and closed and the drivers door open or closed I have seen a Youtube video of someone using this tool to bleed a 2012 Carrera Sucessfully. Many thanks, Ian I'm using a MaxiCOM MK808Z on a 2012 convertible.

POST 2Original post

You will need to use an Uview Airlift Amazon.com: UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit, OEM Approved, Universal Connectors, Minimum 90 PSI/60 Bar, Used for Leak Detection, Purging Airlocks, A/C System Refill : Automotive Buy UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit, OEM Approved, Universal Connectors, Minimum 90 PSI/60 Bar, Used for Leak Detection, Purging Airlocks, A/C System Refill: Leak Detection Tools - Amazon.com ✓ FREE DELIVERY possible on eligible purchases www.amazon.com

POST 3Original post

Agreed. I used one of these on my Cayman and it is magic.

POST 4Original post

Thanks guys. I did do a top up with one of those but still had a bit of air in the system. I have performed the manual bleed (parking nose down with the bleed cap /bow open. I think it is now OK, but to be sure I'd like. to use a scan tool to force the pump to run and open/close various flaps. This is how a proper service centre would do it. I should be able to do this with the scantool i bought, but always get an error.

POST 5Original post

The reason I had to put 5 litres in was that while installing a reversing camera I had to remove the coolant system refill cap a few times and did not screw it all the way on. On my first big drive, I lost a lot of coolant . . . and ended up on the back of a tow truck - not at all embarrassing!

POST 6Original post

Did you ever figure out what the Negative Responses Key:11 means on the Autel (MK808S)? I'm having the exact same issue attempting to bleed my coolant system on a Cayman 981 . UPDATE : I called Autel about the stated error message. The customer service rep remotely connected to my MK808S, took some screen shots and downloaded some info for the tech side of the house. They emailed me a day later with this response: "Engineers checked the log, the executed commands got rejected, which means it is not supported by the ecu. This certain vehicle does not support automatic bleeding, please try following manual operation. 1. Raise the rear of the car by about one meter. 2. Start the engine and press the accelerator to purge air." I had already filled the coolant system utilizing a vacuum system, so I followed their suggestion and all seems well so far.

POST 7Original post

To ensure that ALL the air pockets are removed from the entire cooling system (engine, pipes, heater core, radiators, etc.,) you need to use a vacuum system, this tool requires an air compressor. I bought the Uview 550000 airlift cooling system a few years ago and have a small ' Makita air compressor' and even if it is a small it gets the job done, it just takes a little longer to acheve the vaccum you need. If you don't have a compressor, you can rent a portable one in Home Depot for a fairly reasonable fee for one day. This way you will get the job done correctly the first time PS: If by any chance you live in SoCal, I would be more than happy to help you out at my home, my fees are cheap: a good bottle of red wine or some 'blood orange beer' will suffice Amazon.com

POST 8Original post

That's a great idea to rent a compressor from HD. My small Harbor Freight unit doesn't have enough cfm so I was thinking the same until I remembered that I had a medical grade suction pump. I connected it up and pulled full vacuum on the system. The rest is magic watching the coolant get sucked into the system.

POST 9Original post

The mechanic I took it also ran into the same error. it gets to this step but when you press execute, it throws Negative Responses Key:11 Unfortunately my buddy in another state is borrowing my PIWIS

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