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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHow to replace hood actuator
Leading reported evidence
Disconnect actuator my key/inside switch still worked fine
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
Even though I disconnected the actuator my key/inside switch still worked fine.
Leading evidence: 'Disconnect actuator my key/inside switch still worked fine' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'imo' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Clean "the lock mechanism" mentioned by nuttyprofessor and if' (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.
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
From my reading online, (haha..sometimes good, sometimes bad) it does seem like the actuator I replaced has a history of problems.
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
The emergency actuator is actually a separate unit from the primary one used for the key/inside switch.
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Discussions that suspect a cause
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Suspected cause
10.5 or 11V MIGHT be fine but anything lower would be suspect IMO.
Clean "the lock mechanism" mentioned by nuttyprofessor and if
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
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Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that contain suggestions
1
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Suggestion
Vone, hoping you can tell me how you cleaned "the lock mechanism" mentioned by NuttyProfessor and if that worked?
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.
16 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Yes the latch actuator is weak. I can hear the switch activating, but it doesn't have enough power to unlock the hood. I had to locate the emergency hood release on the right side wheel well, behind the plastic shroud.
So you can hear it using both the key and the switch next to driver’s seat? ( I’m assuming 986 isn’t far off from 987) It could be getting power but voltage might be low? Could be poor wiring somewhere in the path.
Replacing the electric actuator is rather lengthy job because have to removed so much just to get to it. Have you tried simply cleaning and lubricating the lock mechanism?
As you can see from the link I posted, I had to remove the bumper and replace the actuator for the emergency hood release on my 987.1. I had to remove the bumper which made me hesitate a bit. In the end, the job was relatively straightforward,, and if you are mechanically inclined at all, I would encourage you to attempt the fix.
The emergency actuator is actually a separate unit from the primary one used for the key/inside switch. Unfortunately, I didn't look at the other actuator placement when I did mine. Mine was stuck on and shorting out. Even though I disconnected the actuator my key/inside switch still worked fine. I was just sick of looking at the "system fault" message in the driver display.
Luckily, I could replace the switch without removing the hosing for the headlight cleaning system. I didn't need to move the bumper very far so the hose wasn't a limitation. Keep in mind that you may need to disconnect your washer hose, if your car has the system and you need more space to work. Probably not but maybe. I don't think it is hard but just a little more mess with the washer fluid.
From my reading online, (haha..sometimes good, sometimes bad) it does seem like the actuator I replaced has a history of problems. Water gets in mechanism and ,well,not a good place for water.
When you say it is "weak" and humming, my first thought is low voltage. i.e. when a 12V system is only getting 9 or 10 volts. This would not be uncommon for older wiring that might have a little corrosion. Could be a dirty connector. In other cars, I have seen voltage drops fall to the point where electrical systems don't function properly. I would definitely blast some contact cleaner in there, if you can gain access. I suppose you could use a multimeter and measure the voltage at the connector, once again if you can access it before you have to disassemble. In my limited experience, some 12V systems will still work at lower voltage, some won't. 10.5 or 11V MIGHT be fine but anything lower would be suspect IMO.
Vone, hoping you can tell me how you cleaned "the lock mechanism" mentioned by NuttyProfessor and if that worked? My 987 '05 frunk has been stuck for several weeks and I do hear the latch trying when i pull the hood switch next to the driver's door (the key's button never worked for the frunck) AND i've access the emergency release cable but to no avail. Hope you can help! Thank you
If its the same as the actuator on the frount trunk on the 996 , it's a 5 minute job . Super easy .
its a common failure item .
just peel the liner back under the latch and you'll see it . R&R with a new one .
