First and Fourth gear?

Tiny
AZDANNO04
  • MEMBER
  • 2008 CHEVROLET COBALT
  • 2.2L
  • 4 CYL
  • 2WD
  • MANUAL
  • 137,000 MILES
When I am at a complete stop and clutch is passed the point where I know the change of gear will catch. I feel that the gear shift isn’t aligned. When the light is green, I shift into first, but it doesn’t go all the way into the spot. I mean the knob on the shifter doesn’t go all the way into its spot and I have to try several times and it’s also doing so to the fourth gear but when Fourth gear I am in motion, and I hear the noise the grinding when trying to shift into fourth. Eventually I get it into Fourth, but I hear a click right after I gotten into fourth but when I can’t get it into fourth because the vehicles behind me waiting for me to accelerate. From Third gear I’ll shift to Fifth.
Tuesday, March 21st, 2023 AT 2:28 PM

11 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Have you checked the clutch fluid? If it is low, it can cause issues. Also, when you are stopped, can you easily shift from neutral to first gear?

Let me know as much as you can think of. Also, there are two different transmissions used. By chance, do you know which of the two you have? See pic below.

Let me know.

Take care,

Joe

See pic below.
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Tuesday, March 21st, 2023 AT 7:27 PM
Tiny
AZDANNO04
  • MEMBER
  • 285 POSTS
I do not know for sure. I know it has five gears and when I shift the shifter into first gear. It feels like something is blocking it from going into gear. I just have to move back into neutral and try again usually takes more than 2-3 times. I did add more tranny fluid into it. I know it's less than two quarts and it's not the synchromesh transmission fluid since it's not the SS model. It's the Ecotec 2.2-liter LS 2008 Coupe
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Tuesday, March 21st, 2023 AT 8:25 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I want you to try something. I don't think it's the transmission. Instead, I think it is related to the clutch. Don't laugh, but make sure the brake fluid is full. The brake master cylinder functions as the clutch master cylinder reservoir as well as for the brakes.

Next, with the engine off, see if it shifts through the gears easily. If it does, it is most likely related to the clutch master cylinder or slave cylinder.

Let me know.

Take care,

Joe
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Wednesday, March 22nd, 2023 AT 5:40 PM
Tiny
AZDANNO04
  • MEMBER
  • 285 POSTS
Just this morning after putting nearly a quart and a half in the transmission. Everything seemed fine but later on the shifter was even more stiffer to put into first gear and also into second gear. I had to move it into second gear then first gear when at a full stop in order to take off. I will look at the brake fluid to double check. Last time I checked it wasn’t low, but I did top it off. Less than a tablespoon or two.
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Friday, March 24th, 2023 AT 6:29 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Drain the transmission and check for any evidence of metal shavings or anything that seems like it shouldn't be there.

Also, the idea that you had to place it in second gear and then you could get it into first sounds like you need to double-clutch it. If you pump the clutch a few times, can you shift it into first before draining it?

Let me know.

Joe
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Friday, March 24th, 2023 AT 10:27 PM
Tiny
AZDANNO04
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  • 285 POSTS
I checked the brake fluid levels and they weren’t low, I even topped it off. As you were saying about draining the transmission fluid to find metal particles. That I wouldn’t doubt since when this was acting up when I was trying to get it into fourth gear, I know I heard something broke off like a tooth or more. More like a chip sound when it still wouldn’t go into fourth. But other than that, it hasn’t made any worse sounds. After checking the brake fluid in the reservoir it's still hard to push it into first and bring it down to second but third and sometimes I will check and place it into fourth it will go in but has a small clip noise as it goes into fourth, probably for that night when it made that noise chipping off a tooth of the fourth gear or however it’s setup? When I don’t want to even bother until I find out for sure I just go from third to fifth and that does fine for the meantime. I rather have everything working right.
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Friday, March 24th, 2023 AT 11:55 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I understand. Let me know what you find. Also, let me know what I can do to help.

Take care,

Joe
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Saturday, March 25th, 2023 AT 8:48 PM
Tiny
AZDANNO04
  • MEMBER
  • 285 POSTS
If I drain the transmission fluid and do find some piece or pieces. Thats going to confirm that teeth or gears have chipped. But it doesn’t track down the issue for the stiff gear shifter. I had just replaced the slave cylinder. This actually boils all down to this not so good transmission shop, I brought it to because I needed a new inner bell housing seal. The opened her up and said yup new inner seals and being the transmission fluid had a slow leak and gotten to the flywheel wheel and clutch. Thats when I replaced all that and had the flywheel turned. As I brought the parts to the mechanic. I picked up the car and looked underneath. Noticed transmission fluid building up at the seam and brought it back. He said no transmission leak but found an oil leak and I picked up the car took care of the oil situation but still have transmission leaking the same spot when I brought it back the first time. There should be no leak at all if he replaced it or pinched it when putting it back together. I will find out when I take it to him on Monday.
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Saturday, March 25th, 2023 AT 9:16 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

If there is debris in the transmission, it can have an effect on how the shift forks are moving. It's a theory at this point, but in my (small) mind, it should be explored. LOL

Regardless, I'm here. If I can help, let me know.

Take care of yourself.

Joe
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Sunday, March 26th, 2023 AT 7:13 PM
Tiny
AZDANNO04
  • MEMBER
  • 285 POSTS
Also should I change out the shift solenoids?
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Monday, March 27th, 2023 AT 1:25 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

A manual transmission won't have shift solenoids. A shift solenoid is an electro-hydraulic valve that is used to control the flow of transmission fluid in an automatic transmission. In an automatic transmission, the gears are changed automatically by the transmission control module (TCM) based on various factors like vehicle speed, engine load, throttle position, and other inputs. If you have a manual transmission, these don't exist.

Let me know what you find.

Joe
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Tuesday, March 28th, 2023 AT 7:07 PM

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