Crown

Board: Porsche - 911 - 997 Language: English Region: Worldwide

permalink

Close

Forum - Thread

Apr 15, 2006 2:46:34 AM

csmiller: Newbie; Loc: Saratoga, CA; Posts: 25, Gallery; Registered on: Feb 24, 2005

Rattle at cold start

After 8k miles I am still trilled with my 997s (non PSE), but the 5 second rattle in the exhaust at cold start up is an embarrassment. The mechanic at the dealer says it is normal and nothing is being harmed... just my pride. Has anyone found a way to prevent this "normal" start up rattle?

Next
Threads

Apr 15, 2006 2:56:26 AM

Vincenzina: Pilot; Loc: Dubai UAE; Posts: 395, Gallery; Registered on: Oct 12, 2005; Reply to: csmiller

Re: Rattle at cold start

I wanted to know whats up with that too..The dealer said the first minute, it's normal for the throttle to keep adjusting itself..cant stop it.
Sounds like a beetle for a minute, in the morning, that doesnt want to get out of bed...

Next
Threads

Apr 15, 2006 3:06:12 AM

Coochas: Co-Pilot; Loc: Boston, MA, USA; Posts: 221, Gallery; Registered on: Mar 19, 2006; Reply to: Vincenzina

Re: Rattle at cold start

This is definitely a normal sound for a 997. I asked my dealer and have read other threads on this (I think on Rennlist).
I have to admit, I do NOT like the cold start engine sounds - almost sounds like it's knocking for the first 10-20 secs. My wife has even commented on it!

Next
Threads

Apr 15, 2006 4:08:13 AM

John H: Rennteam VIP; Loc: Cheshire, UK , United Kingdom; Posts: 7682, Gallery; Registered on: Oct 20, 2005; Reply to: Coochas

Re: Rattle at cold start

I was also concerned when I first heard the start-up rattle.
My dealer told me that it was normal and caused by a pump which activates to speed-up the heating process of the cats.

Maybe BS but so many of us have it I guess it must be normal.

Next
Threads

Apr 15, 2006 5:07:56 AM

Deven: Junior; Loc: Scottsdale, Arizona; Posts: 78, Gallery; Registered on: Jul 26, 2005; Reply to: John H

Re: Rattle at cold start

Good to hear that I am not the only one with morning rattles.

Next
Threads

Apr 15, 2006 8:34:46 AM

intouch1: Rennteam Master; Loc: Red Sea , Egypt; Posts: 5752, Gallery; Registered on: May 22, 2004; Reply to: Deven

Re: Rattle at cold start

strange, i have not noticed any rattles on mine. will listen more closely when i go to start it within the next hour....

Next
Threads

Apr 15, 2006 8:48:06 AM

SoCal Alan: Rennteam VIP; Loc: Orange County , United States; Posts: 7268, Gallery; Registered on: Mar 6, 2004; Reply to: intouch1

Re: Rattle at cold start

Quote:
intouch1 said:
strange, i have not noticed any rattles on mine. will listen more closely when i go to start it within the next hour....

If you have PSE with the "always on" mod, you will not hear it as clearly, but it is still there.

Next
Threads

Apr 15, 2006 8:53:06 AM

Pink Panther: Pilot; Loc: UK , United Kingdom; Posts: 363, Gallery; Registered on: Mar 4, 2005; Reply to: SoCal Alan

Re: Rattle at cold start

Funny, I actually like it. This was also an issue on M3's so I am wondering if it is related to quad exhausts ? Any C2 owners have this problem/feature?

Next
Threads

Apr 15, 2006 10:31:40 AM

Anthony4579: Newbie; Loc: USA; Posts: 2, Gallery; Registered on: Aug 14, 2005; Reply to: Pink Panther

Re: Rattle at cold start

I just had my car in for the tip repair and had them check the rattle as well (if only I had seen this post before it would have saved me a little worrying). They told me when the car was ready that they checked other cars and that they all do it. Seems as if high performance sports cars have little excentricities. I had both an E36 and E46 M3 and they both had little oddities about them, in the end I think it adds to the character of the car if it is not a real problem.

Next
Threads

Apr 15, 2006 12:50:01 PM

jcs: Pilot; Loc: nj; Posts: 308, Gallery; Registered on: Mar 3, 2006; Reply to: Anthony4579

Re: Rattle at cold start

Mine also had a rattle when I started the engine for the first time when I picked it up at the dealer .
It sounded as though something was loose on the exhaust system .
It's normal and you have to get used to it.

Next
Threads

Apr 15, 2006 2:21:26 PM

MMD: Rennteam VIP; Loc: usa; Posts: 9652, Gallery; Registered on: Dec 16, 2004; Reply to: jcs

This should help everybody feel better

All the reviewers said our cars sound like a bucket of bolts at warm up. So don't worry about it when cold. There's a heck of alot going on in the engine (any engine) and Porsche didn't design them to sound good at idle.

When they get warmer they sound better but still our engines are not known for purring like kittens at idle.

I'm just going on what I read in mags and heard on net.

I hope y'all feel a bit better.

Next
Threads

Apr 15, 2006 2:55:13 PM

Vincenzina: Pilot; Loc: Dubai UAE; Posts: 395, Gallery; Registered on: Oct 12, 2005; Reply to: MMD

Re: This should help everybody feel better

Quote:
MMD said:
All the reviewers said our cars sound like a bucket of bolts at warm up. So don't worry about it when cold.

Love that review, (Bucket of Bolts at warm up) when the car costs oh about 100k..plus.

Sleepy beetle, but rocks at shall we say that 'redline' area

Next
Threads

Apr 15, 2006 4:07:45 PM

intouch1: Rennteam Master; Loc: Red Sea , Egypt; Posts: 5752, Gallery; Registered on: May 22, 2004; Reply to: Vincenzina

Re: This should help everybody feel better

flat 6 at redline is the best sound of all.

Next
Threads

Apr 15, 2006 6:07:35 PM

SimpleSkin: Co-Pilot; Loc: Ashburn VA, USA , United States; Posts: 213, Gallery; Registered on: Dec 1, 2005; Reply to: Pink Panther

Re: Rattle at cold start

Quote:
Pink Panther said:
Funny, I actually like it. This was also an issue on M3's so I am wondering if it is related to quad exhausts ? Any C2 owners have this problem/feature?

I agree with you. I love the sound. Almost wish it always sounded like that at idle. To me it sounds nasty! And I mean nasty in a good way

Next
Threads

Apr 15, 2006 6:16:55 PM

intouch1: Rennteam Master; Loc: Red Sea , Egypt; Posts: 5752, Gallery; Registered on: May 22, 2004; Reply to: SimpleSkin

Re: Rattle at cold start

the carrera s has no quad exhaust. it has twin pipes with quad outlets.

many criticized that feature and said its ricer car inspired.

it should have had two big outlets instead.

Next
Threads

Apr 16, 2006 12:34:52 AM

MMD: Rennteam VIP; Loc: usa; Posts: 9652, Gallery; Registered on: Dec 16, 2004; Reply to: intouch1

Re: Rattle at cold start

Quote:
intouch1 said:
the carrera s has no quad exhaust. it has twin pipes with quad outlets.

many criticized that feature and said its ricer car inspired.

it should have had two big outlets instead.

The fakes bother me on my S. I could kick myself for not ordering PSE; at least the quads would be "functional."

Next
Threads

Apr 16, 2006 12:51:31 AM

John H: Rennteam VIP; Loc: Cheshire, UK , United Kingdom; Posts: 7682, Gallery; Registered on: Oct 20, 2005; Reply to: MMD

Re: Rattle at cold start

Quote:
MMD said:
Quote:
intouch1 said:
the carrera s has no quad exhaust. it has twin pipes with quad outlets.

many criticized that feature and said its ricer car inspired.

it should have had two big outlets instead.

The fakes bother me on my S. I could kick myself for not ordering PSE; at least the quads would be "functional."

So get PSE retro-fitted (if it ever comes off back-order!)

Does a car with PSE rattle as much as one without?

Next
Threads

Apr 16, 2006 2:07:05 AM

SoCal Alan: Rennteam VIP; Loc: Orange County , United States; Posts: 7268, Gallery; Registered on: Mar 6, 2004; Reply to: John H

Re: Rattle at cold start

Quote:
John H said:
Quote:
MMD said:
Quote:
intouch1 said:
the carrera s has no quad exhaust. it has twin pipes with quad outlets.

many criticized that feature and said its ricer car inspired.

it should have had two big outlets instead.

The fakes bother me on my S. I could kick myself for not ordering PSE; at least the quads would be "functional."

So get PSE retro-fitted (if it ever comes off back-order!)

Does a car with PSE rattle as much as one without?

If you have PSE with the "always on" mod, you have to listen closely, but you can still hear it a little.

If you have PSE without the "always on" mod, you will hear it loud and clear because at startup, the exhaust sounds the same with and without PSE. Unless you are fast enough to press the "sport" button after start-up. At which point, I'm not sure. I'll have to undo the mod to really find out.

Next
Threads

Apr 16, 2006 2:37:14 AM

devo: Veteran; Loc: NY , United States; Posts: 1107, Gallery; Registered on: Jan 31, 2006; Reply to: Pink Panther

Re: Rattle at cold start

Quote:
Pink Panther said: This was also an issue on M3's so I am wondering if it is related to quad exhausts ?

Next
Threads

Apr 16, 2006 3:27:58 AM

Kevin034: Pilot; Loc: WA; Posts: 393, Gallery; Registered on: Oct 7, 2005; Reply to: devo

Re: Rattle at cold start

if i wanted a car that's quiet and smooth, i would've gotten a lexus.

Top
Threads

Forum

Board	Subject	Last post	Rating	Views	Replies
Porsche	SUN'S LAST RUN TO WILSON, WY - 991 C2S CAB LIFE, END OF AN ERA (Part II)	5/15/24 8:44 AM art.italy		803605	1808
Porsche	Welcome to Rennteam: Cars and Coffee... (photos)	4/7/24 11:48 AM Boxster Coupe GTS		448651	565
Porsche	OFFICIAL: Porsche 911 (992) GT3 RS - 2022	3/12/24 8:28 AM DJM48		266250	323
Porsche	The new Macan: the first all-electric SUV from Porsche	1/30/24 9:18 AM RC		90135	45
Porsche	OFFICIAL: Taycan 2024 Facelift	3/15/24 1:23 PM CGX car nut		6678	50
Porsche	The moment I've been waiting for...	2/1/24 7:01 PM Pilot		885949	1364
Porsche	992 GT3	7/23/23 7:01 PM Grant		833670	3868
Porsche	GT4RS	4/21/24 11:50 AM mcdelaug		399819	1454
Porsche	Welcome to the new Taycan Forum!	2/10/24 4:43 PM nberry		395977	1526
Others	Tesla 2 the new thread	12/13/23 2:48 PM CGX car nut		382985	2401
Porsche	Donor vehicle for Singer Vehicle Design	7/3/23 12:30 PM Porker		370971	797
Porsche	Red Nipples 991.2 GT3 Touring on tour	5/12/24 6:23 PM blueflame		293590	669
Porsche	Collected my 997 GTS today	10/19/23 7:06 PM CGX car nut		265855	812
Lambo	Huracán EVO STO	7/30/23 6:59 PM mcdelaug		244034	346
Lotus	Lotus Emira	6/25/23 2:53 PM Enmanuel		238645	101
Others	Corvette C8	10/16/23 3:24 PM Enmanuel		222336	488
Others	Gordon Murray - T.50	11/22/23 10:27 AM mcdelaug		173140	387
Porsche	Back to basics - 996 GT3 RS	6/11/23 5:13 PM CGX car nut		144969	144
BMW M	2024 BMW M3 CS Official Now	12/29/23 9:04 AM RC		121133	303
Motor Sp.	2023 Formula One	12/19/23 5:38 AM Whoopsy		111874	685
Porsche	2022 992 Safari Model	3/7/24 4:22 PM Whoopsy		85669	239
AMG	Mercedes-Benz W124 500E aka Porsche typ 2758	2/23/24 10:03 PM blueflame		75895	297
Porsche	992 GT3 RS	3/3/24 7:22 PM Whoopsy		54909	314
Motor Sp.	Porsche 963	5/14/24 7:53 AM Porker		26503	247
Ferrari	Ferrari 296 GTB (830PS, Hybrid V6)	1/21/24 4:29 PM GT-Boy		21764	103
BMW M	2022 BMW M5 CS	4/8/24 1:43 PM Ferdie		20279	140
AMG	G63 sold out	9/15/23 7:38 PM Nico997		17130	120
AMG	[2022] Mercedes-AMG SL	4/23/24 1:24 PM RC		14500	225
Motor Sp.	24-Hour race Nürburgring 2018	5/25/23 10:42 PM Grant		11559	55
Porsche	Porsche Mission X Hypercar	12/3/23 8:52 AM 996FourEss		11197	63

124 items found, displaying 1 to 30.