Grinding/buzzing and difficulty going into first? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

jlwdvm · 08-21-2018, 08:18 PM

I took my '15 with 3800 miles on it out for a short drive today. At a stop light, I went to shift into first and noticed some difficulty and then some grinding. I pulled back to neutral and then was eventually able to get it into first. It did it again as I was pulling into a parking lot. I get an occasional buzz/grinding before I am able to pop it into first. Of course, once I got it home and into the driveway it wouldn't do it. Thoughts? I bought the car used from a dealer this winter. Warranty issue?

HOJO · 08-21-2018, 08:37 PM

I’d definitely take it the dealer first. Should still be under warranty.

Zslash28 · 08-22-2018, 05:51 AM

Ive noticed that the trans can be a little finiky after sitting over night. The first and second gears are tough. But after warming up, its smooth. These cars do produce more noise as there is no sound insulation besides the jute padding under the carpet, and its common to hear the clutch spinning, and engaging, its a whirring and metallic sound. At the very least, the dealer can do a clutch fluid bleed to help your situation a little.

jlwdvm · 08-22-2018, 06:48 AM

It's definitely not just noise, and it only happens in 1st even when warmed up.

j o n · 08-22-2018, 06:51 AM

Quote:

Originally Posted by jlwdvm

It's definitely not just noise, and it only happens in 1st even when warmed up.

Stationary or rolling?

jlwdvm · 08-22-2018, 07:48 AM

Both...if I remember right.

j o n · 08-22-2018, 08:09 AM

Quote:

Originally Posted by jlwdvm

Both...if I remember right.

While rolling, i'd rev match it. Or don't do it. Most cars are sensitive going into 1st at a slow roll above 5-10 mph.

If you're stationary and having grinding issues... that is indeed an issue that needs attention

jlwdvm · 08-22-2018, 08:20 AM

I was barely moving and yesterday was the first time it had ever happened...and it happened multiple times. It's heading to the dealer tomorrow.

MrRaZ28 · 08-22-2018, 09:05 AM

Hopefully nothing serious.

I had noticed a little bit of resistance myself after my first track day, and when I realized that the clutch and brakes shared the same master reservoir, I did a more thorough check. Brake fluid was nasty as I've ever seen. I ended up splitting and retrofitting a separate clutch master reservoir in, flushing everything out (so glad I did... so bad) and since then my issues went away. 2 track days since then and my brake master is clean, clean, clean and my clutch master is disgusting again. Another flush next weekend!

2SSRS@Gen5diy · 08-22-2018, 09:15 AM

Quote:

Originally Posted by Chevy2tehBone

Hopefully nothing serious.

I had noticed a little bit of resistance myself after my first track day, and when I realized that the clutch and brakes shared the same master reservoir, I did a more thorough check. Brake fluid was nasty as I've ever seen. I ended up splitting and retrofitting a separate clutch master reservoir in, flushing everything out (so glad I did... so bad) and since then my issues went away. 2 track days since then and my brake master is clean, clean, clean and my clutch master is disgusting again. Another flush next weekend!

+1 if it's as dirty as I think.

j o n · 08-22-2018, 09:24 AM

Options for stand alone clutch reservoir
http://www.jdpmotorsports.com/jdp-mo...-zl1-jdp-c1001

http://www.jdpmotorsports.com/jdp-mo...-zl1-jdp-c1002

jlwdvm · 08-22-2018, 01:27 PM

If that is the case...why only 1st gear?

pat_t · 08-22-2018, 01:48 PM

I had some issues with the adjustment on my clutch being incorrect from new (massive clutch slip and difficulty engaging 1st at under 1000miles from new). Replaced it with new parts and now it's perfect even with 578rwhp

There is nothing actually wrong with the parts I removed, just the clutch pressure plate adjustment tabs are set wrong and would need re-setting before any re-fitment.

https://ls1tech.com/forums/manual-tr...djustment.html

That thread mentions there is a GM tech bulletin for setting the adjustment but I've not seen the document. Anyone know about it?

jlwdvm · 08-22-2018, 03:39 PM

Now that I think about it, it may have done it a few times going into 3rd. I though that was just me messing up a shift, but could be related to the problem.

08-21-2018, 08:18 PM	#1
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	Grinding/buzzing and difficulty going into first? I took my '15 with 3800 miles on it out for a short drive today. At a stop light, I went to shift into first and noticed some difficulty and then some grinding. I pulled back to neutral and then was eventually able to get it into first. It did it again as I was pulling into a parking lot. I get an occasional buzz/grinding before I am able to pop it into first. Of course, once I got it home and into the driveway it wouldn't do it. Thoughts? I bought the car used from a dealer this winter. Warranty issue?

08-22-2018, 05:51 AM	#3
Zslash28 Jumanji Drives: '14 Z/28 - AGM - No A/C Join Date: Mar 2014 Location: Alaska Posts: 1,688	Ive noticed that the trans can be a little finiky after sitting over night. The first and second gears are tough. But after warming up, its smooth. These cars do produce more noise as there is no sound insulation besides the jute padding under the carpet, and its common to hear the clutch spinning, and engaging, its a whirring and metallic sound. At the very least, the dealer can do a clutch fluid bleed to help your situation a little. __________________ Keeper of the 5th Gen Z/28 Registry. Registry Facebook. Follow: @5th_gen_z28_registry I track wrecked Z/28s Total lost -41

08-22-2018, 09:24 AM	#11
j o n Drives: 2015 Z/28 #0058 Join Date: Apr 2018 Location: Pittsburgh, PA Posts: 814	Options for stand alone clutch reservoir http://www.jdpmotorsports.com/jdp-mo...-zl1-jdp-c1001 http://www.jdpmotorsports.com/jdp-mo...-zl1-jdp-c1002 __________________ Current: - '15 Z/28 #0058 \| White \| A/C \| Speakers \| Michelin PS4S 305/30/19's - '22 Ridgeline RTL \| White \| Ebony, '22 CR-V EX-L Hybrid \| White \| Ebony Sold: - '15 Z/28 #0048 \| White \| A/C \| Speakers \| Michelin PS4S 305/30/19's https://www.instagram.com/__jon__athan__/

08-21-2018, 08:37 PM	#2
HOJO Drives: 2014 Camaro SS/RS 1LE 1967 Camaro Join Date: Oct 2013 Location: Fort Wayne, IN Posts: 874	I’d definitely take it the dealer first. Should still be under warranty.

08-22-2018, 06:48 AM	#4
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	It's definitely not just noise, and it only happens in 1st even when warmed up.

08-22-2018, 07:48 AM	#6
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	Both...if I remember right.

08-22-2018, 08:20 AM	#8
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	I was barely moving and yesterday was the first time it had ever happened...and it happened multiple times. It's heading to the dealer tomorrow.

08-22-2018, 09:05 AM	#9
MrRaZ28 @MrRaZ28 Drives: 2014 Z28 #80 Join Date: Oct 2009 Location: Cincinnati, OH Posts: 590 View My Garage	Hopefully nothing serious. I had noticed a little bit of resistance myself after my first track day, and when I realized that the clutch and brakes shared the same master reservoir, I did a more thorough check. Brake fluid was nasty as I've ever seen. I ended up splitting and retrofitting a separate clutch master reservoir in, flushing everything out (so glad I did... so bad) and since then my issues went away. 2 track days since then and my brake master is clean, clean, clean and my clutch master is disgusting again. Another flush next weekend!

08-22-2018, 01:27 PM	#12
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	If that is the case...why only 1st gear?

08-22-2018, 01:48 PM	#13
pat_t Drives: . Join Date: Jun 2016 Location: . Posts: 589	I had some issues with the adjustment on my clutch being incorrect from new (massive clutch slip and difficulty engaging 1st at under 1000miles from new). Replaced it with new parts and now it's perfect even with 578rwhp There is nothing actually wrong with the parts I removed, just the clutch pressure plate adjustment tabs are set wrong and would need re-setting before any re-fitment. https://ls1tech.com/forums/manual-tr...djustment.html That thread mentions there is a GM tech bulletin for setting the adjustment but I've not seen the document. Anyone know about it?

08-22-2018, 03:39 PM	#14
jlwdvm Drives: 17 GT350R, 13Boss302,15 Z/28 Join Date: May 2015 Location: iowa Posts: 92	Now that I think about it, it may have done it a few times going into 3rd. I though that was just me messing up a shift, but could be related to the problem.