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-   -   991.2 Engine tapping noise after cold start (https://rennlist.com/forums/991/986441-991-2-engine-tapping-noise-after-cold-start.html)

Exotisch 06-15-2017 09:06 AM


Originally Posted by Noah Fect (Post 14184512)
Your SO gets cranky when left unattended for too long. So does your 911. Drive it.

If you were married to a super model would you leave her alone? I hope not. If you have a Porsche you have a super model so exercise her.

Bents 06-15-2017 10:34 AM


Originally Posted by GTSMeister (Post 14127900)
An excellent review on lifters and oil delivery.

--bob "trying to get my post count up!"

:ban:? ;)

LC991.2 11-29-2017 03:26 AM


Originally Posted by Fonzareli (Post 14255266)
hello LC 911/2
Sill no solution from Porsche dealer for ticking engine

Sorry guys for lack of updates.
Ok, the following are updates since my post in May.

May 2017: Oil changed to 5w40 from 0w40
Result: initially seemed to have fixed it as I didn't hear the noise for solid 2 months but the noise came back - perhaps it was more frequent starting and driving during the summer may have masked the problem.

Oct.2017: Took out engine, replaced all tappets on passenger side, 10 days in service
Result: Same noise after 2 weeks - duration for 20 minutes after the cold start.

Waiting for service schedule in Jan 2018 - will leave with service for at least 4 weeks.

Fonzareli 11-29-2017 03:53 AM

Hello LC 991.2

have also replaced oil ow40 with 5w50 (mobil) since then no problem anymore hopefully it stays that way how many miles does the car have?
Best regards

RDCR 11-30-2017 11:59 AM

I had an Indie tell me a persistent ticking was a tappet until the rod broke in #1 and went thru the case on my 99 996. Of course that was an M96 motor and it had 90K miles.

After tracking 9A1 motors in 2 different cars for 3 years I feel like these motors are indestructible but then again I've never heard anything like what you describe.

LexVan 11-30-2017 07:20 PM


Originally Posted by LC991.2 (Post 14635356)
Sorry guys for lack of updates.
Ok, the following are updates since my post in May.

May 2017: Oil changed to 5w40 from 0w40
Result: initially seemed to have fixed it as I didn't hear the noise for solid 2 months but the noise came back - perhaps it was more frequent starting and driving during the summer may have masked the problem.

Oct.2017: Took out engine, replaced all tappets on passenger side, 10 days in service
Result: Same noise after 2 weeks - duration for 20 minutes after the cold start.

Waiting for service schedule in Jan 2018 - will leave with service for at least 4 weeks.

Sorry for you. This is NOT good news. You should start making yourself knowledgeable about your State's Lemon Laws. and proceed in that direction. Good luck.

Mumbles 11-30-2017 09:12 PM

That's bad news for everyone, I hope they correct the problem and send you on your way. Document all details and try to stay positive.

Fonzareli 12-25-2017 07:42 AM

Hi guys
all summer had no problem with ticking noise just always regularly driven now since winter has arrived porsche for a long time not driven (about 2 weeks) result ticking lifters are back and this with already other oil (5w50 mobil)
Greetings from Belgium
​​​​​​​

Fonzareli 06-15-2018 03:45 AM

Hello Lc991.2
has a solution already been found for the problem of ticking noise?
I myself still have the same problem would possibly want to use Millers oil with Nano technique.
this would apparently give better lubrication to the lifters

911-TOUR 06-16-2018 12:54 PM

Just in the last two weeks this has appeared in my Carrera T. I had a 1995 993 which would very rarely (like once a year) tick on startup after sitting several days so I’m familiar with the sound. All three times it has happened on the new car it lasted about 5m until oil tem ~120. The funny thing is that two of the times it happened it had only sat overnight. Weird.

cheers!

Scorponok 06-16-2018 01:23 PM


Originally Posted by 911-TOUR (Post 15083475)
Just in the last two weeks this has appeared in my Carrera T. I had a 1995 993 which would very rarely (like once a year) tick on startup after sitting several days so I’m familiar with the sound. All three times it has happened on the new car it lasted about 5m until oil tem ~120. The funny thing is that two of the times it happened it had only sat overnight. Weird.

cheers!

Same here! If I let my T sit for a few days it will tick for a few min then go away after warm up. I’d prefer the noise to burning oil to be honest. My 997.2 never made a peep burned oil like crazy.

911-TOUR 06-16-2018 06:33 PM

I gave it a serious italian tuneup today - over an hour above 4K...will be interesting to see how it responds....

Oh, and if you heard an annoyingly loud 911 on I-10, US-36, or US 290 in Houston today...

sorry?

Needsdecaf 06-16-2018 08:28 PM


Originally Posted by 911-TOUR
I gave it a serious italian tuneup today - over an hour above 4K...will be interesting to see how it responds....

Oh, and if you heard an annoyingly loud 911 on I-10, US-36, or US 290 in Houston today...

sorry?

Heh, next time run it flat out on 99 up to The Woodlands and stop in for a coffee or a beer. :thumbup:

HamiltonGT4 09-09-2018 11:41 PM

Hi there I have a 2019 Carrera T and have also heard the ticking noise on startup. Goes away after a couple minutes of driving. Usually it’s very quiet and can barely hear it but once it was quite loud that my wife asked me what’s that sound?? Mostly it’s quiet and can barely hear it on startup

Risley 10-19-2018 06:50 PM

I have had 5 Porsche's, the latest being a 2018 Carrera T with 273 miles on it while typing this. All 5 of my Porsches have exhibited ticking at various times during start up. The other day I started the T and it was quite loud immediately when the engine fired up but it went away in seconds.

Having said this, aren't the direct injectors rather ticky sounding too? Could this be what some are hearing?


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