Question for GM representatives... - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Revo1 · 01-02-2011, 07:49 PM

I've been trying to get my L99 (7200 on the clock) in for new lifters via TSB for some time, but the audible tapping of the lifters on startup is inconsistent and never happens when I'm at the dealer.

Since the tech hasn't personally heard the tap, they haven't been able to do the repairs. I shot a video on my phone of the noise and showed them, but the dealer insists that the tech must hear it occur IN PERSON. I'm ready to move ahead with some simple bolt-ons (and getting kind of antsy to be honest

) and would like to get this taken care of before I apply any mods that could potentially void my warranty and make it impossible to have this fixed.

Here's the video. The issue is obviously present, I'm not making this up. The sound (when it happens) as shown in the video is fairly pronounced, and I feel like this ought to be proof enough for them to move ahead with the work. Am I expecting too much here?

BackinBlackSS/RS · 01-02-2011, 08:00 PM

Holy crap.

Yeah, that is pretty pronounced.

Redemption · 01-02-2011, 08:04 PM

Does it do it more when its cold?

If so, park it there overnight and fire it up for them in the AM...

Just an idea. That's pretty darn loud and should be fixed.

Revo1 · 01-02-2011, 08:10 PM

Quote:

Originally Posted by Redemption

Does it do it more when its cold?

If so, park it there overnight and fire it up for them in the AM...

Just an idea. That's pretty darn loud and should be fixed.

Tried it...

Left it with them overnight, they started it multiple times. :(

Revo1 · 01-02-2011, 08:31 PM

ttt

*Mr. Wyndham* · 01-02-2011, 08:43 PM

The TSB states that this issue occurs after the engine has been off for at least 2 hours, and it usually lasts for 10 seconds, but may last longer in a few cases.

It outlines a very specific circumstance, and it needs to be consistent...otherwise is could be something else. I'm not saying it is....

One thing to check would be the oil level, that's mentioned in the TSB as a possible cause. Make sure the oil is of good quality and no more than one quart low.

The bulliten is very clear...so I'm not sure what can be done if they don't hear it.

Revo1 · 01-02-2011, 08:48 PM

Quote:

Originally Posted by Dragoneye

The TSB states that this issue occurs after the engine has been off for at least 2 hours, and it usually lasts for 10 seconds, but may last longer in a few cases.

It outlines a very specific circumstance, and it needs to be consistent...otherwise is could be something else. I'm not saying it is....

One thing to check would be the oil level, that's mentioned in the TSB as a possible cause. Make sure the oil is of good quality and no more than one quart low.

The bulliten is very clear...so I'm not sure what can be done if they don't hear it.

You basically described the issue to a T. Usually it doesn't last long enough to get video, this particular time it did.

Had the oil changed at the dealer less than a month, but will check the level anyway. This has been happening since we brought her home in August.

*Mr. Wyndham* · 01-02-2011, 09:02 PM

Quote:

Originally Posted by Revo1

You basically described the issue to a T. Usually it doesn't last long enough to get video, this particular time it did.

Had the oil changed at the dealer less than a month, but will check the level anyway. This has been happening since we brought her home in August.

That's odd that it's intermittent, though. If this was the issue, is should happen each and every time, because what's happening is the oil is leaving the hydraulic lifters, letting them tap for a few seconds.

Have you noticed a pattern, or things that seem to make it happen you can replicate for the service rep?

SSOOCH · 01-02-2011, 09:40 PM

Won't your dealer let you leave it overnight and then have his tech start it up first thing the next morning?

*Mr. Wyndham* · 01-02-2011, 09:41 PM

Quote:

Originally Posted by SSOOCH

Won't your dealer let you leave it overnight and then have his tech start it up first thing the next morning?

Quote:

Originally Posted by Revo1

Tried it...

Left it with them overnight, they started it multiple times. :(

Revo1 · 01-02-2011, 10:05 PM

Quote:

Originally Posted by Dragoneye

That's odd that it's intermittent, though. If this was the issue, is should happen each and every time, because what's happening is the oil is leaving the hydraulic lifters, letting them tap for a few seconds.

Have you noticed a pattern, or things that seem to make it happen you can replicate for the service rep?

I've been looking for a pattern, unable to really find one....

Revo1 · 01-03-2011, 12:37 AM

bump for frustration lol

Revo1 · 01-03-2011, 02:44 AM

Considering just putting up with this, as the exhaust goes under the knife later today and she's probably going to need an AFM tuneout....

Scott@Bjorn3D · 01-03-2011, 05:51 AM

Man that is loud. Sounds like piston slap or something with it that loud.

01-02-2011, 07:49 PM	#1
Revo1 Don't Like it? Suggit. Drives: 2010 2SS/RS Join Date: Aug 2008 Location: Fresno, CA Posts: 14,832 View My Garage	Question for GM representatives... I've been trying to get my L99 (7200 on the clock) in for new lifters via TSB for some time, but the audible tapping of the lifters on startup is inconsistent and never happens when I'm at the dealer. Since the tech hasn't personally heard the tap, they haven't been able to do the repairs. I shot a video on my phone of the noise and showed them, but the dealer insists that the tech must hear it occur IN PERSON. I'm ready to move ahead with some simple bolt-ons (and getting kind of antsy to be honest) and would like to get this taken care of before I apply any mods that could potentially void my warranty and make it impossible to have this fixed. Here's the video. The issue is obviously present, I'm not making this up. The sound (when it happens) as shown in the video is fairly pronounced, and I feel like this ought to be proof enough for them to move ahead with the work. Am I expecting too much here? __________________ "Tops off, tach up baby- loud and proud!" A Camaro lover from day one- 1996 3.8 V6 Camaro, to 1996 5.7 LT1 Camaro Z28, to the sold 2002 5.7 LS1 Camaro SS, and NOW, a [I]6.2 L99 VR 2SS/RS: XS Power stainless full exhaust, Airaid CAI, BMR drop springs and sways, custom tune by Cal Speed- 411rwhp

01-02-2011, 08:31 PM	#5
Revo1 Don't Like it? Suggit. Drives: 2010 2SS/RS Join Date: Aug 2008 Location: Fresno, CA Posts: 14,832 View My Garage	ttt __________________ "Tops off, tach up baby- loud and proud!" A Camaro lover from day one- 1996 3.8 V6 Camaro, to 1996 5.7 LT1 Camaro Z28, to the sold 2002 5.7 LS1 Camaro SS, and NOW, a [I]6.2 L99 VR 2SS/RS: XS Power stainless full exhaust, Airaid CAI, BMR drop springs and sways, custom tune by Cal Speed- 411rwhp

01-02-2011, 08:43 PM	#6
Mr. Wyndham I used to be Dragoneye... Drives: 2018 ZL1 1LE Join Date: Jan 2007 Location: Buffalo, NY Posts: 31,876 View My Garage	The TSB states that this issue occurs after the engine has been off for at least 2 hours, and it usually lasts for 10 seconds, but may last longer in a few cases. It outlines a very specific circumstance, and it needs to be consistent...otherwise is could be something else. I'm not saying it is.... One thing to check would be the oil level, that's mentioned in the TSB as a possible cause. Make sure the oil is of good quality and no more than one quart low. The bulliten is very clear...so I'm not sure what can be done if they don't hear it. __________________ *"Keep the faith."* - Fbodfather

01-02-2011, 09:40 PM	#9
SSOOCH Camaro SL,UTs Drives: 2010 Camaro SS/RS #16429 Join Date: Sep 2006 Location: South Jordan, UT Posts: 7,358 View My Garage	Won't your dealer let you leave it overnight and then have his tech start it up first thing the next morning? __________________

01-03-2011, 12:37 AM	#12
Revo1 Don't Like it? Suggit. Drives: 2010 2SS/RS Join Date: Aug 2008 Location: Fresno, CA Posts: 14,832 View My Garage	bump for frustration lol __________________ "Tops off, tach up baby- loud and proud!" A Camaro lover from day one- 1996 3.8 V6 Camaro, to 1996 5.7 LT1 Camaro Z28, to the sold 2002 5.7 LS1 Camaro SS, and NOW, a [I]6.2 L99 VR 2SS/RS: XS Power stainless full exhaust, Airaid CAI, BMR drop springs and sways, custom tune by Cal Speed- 411rwhp

01-02-2011, 08:00 PM	#2
BackinBlackSS/RS Go Blue!!!!! Drives: 2012 Cruze LT Join Date: Mar 2009 Location: Indiana Posts: 23,290	Holy crap. Yeah, that is pretty pronounced.

01-02-2011, 08:04 PM	#3
Redemption Just Because! Drives: 2010 SIM 2SSRS Join Date: Jun 2010 Location: San Jose, Ca Posts: 6,909	Does it do it more when its cold? If so, park it there overnight and fire it up for them in the AM... Just an idea. That's pretty darn loud and should be fixed.

01-03-2011, 02:44 AM	#13
Revo1 Don't Like it? Suggit. Drives: 2010 2SS/RS Join Date: Aug 2008 Location: Fresno, CA Posts: 14,832 View My Garage	Considering just putting up with this, as the exhaust goes under the knife later today and she's probably going to need an AFM tuneout.... __________________ "Tops off, tach up baby- loud and proud!" A Camaro lover from day one- 1996 3.8 V6 Camaro, to 1996 5.7 LT1 Camaro Z28, to the sold 2002 5.7 LS1 Camaro SS, and NOW, a [I]6.2 L99 VR 2SS/RS: XS Power stainless full exhaust, Airaid CAI, BMR drop springs and sways, custom tune by Cal Speed- 411rwhp

01-03-2011, 05:51 AM	#14
Scott@Bjorn3D Drives: Kami, 2013 2SS LS3 Luvin Join Date: Oct 2008 Location: Eufaula, Alabama Posts: 6,427	Man that is loud. Sounds like piston slap or something with it that loud.

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