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Becoming difficult to shift into gear

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Old Jul 19, 2017 | 12:18 AM
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Default Becoming difficult to shift into gear

Hey guys I was wondering if anyone could tell me why it's becoming difficult to shift ito gear I have a 7speed with about 16500 miles
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Old Jul 19, 2017 | 12:37 AM
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A cryptic post like the above is not likely to get you any help. You need to supply quite a bit more info on the symptoms.

Is your clutch pedal sticking? Is it all gears? Does it only happen when cold or all the time? Have you checked the clutch fluid reservoir, etc., etc.

Last edited by Foosh; Jul 19, 2017 at 12:40 AM.
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Old Jul 19, 2017 | 02:18 AM
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Originally Posted by Foosh
A cryptic post like the above is not likely to get you any help. You need to supply quite a bit more info on the symptoms.

Is your clutch pedal sticking? Is it all gears? Does it only happen when cold or all the time? Have you checked the clutch fluid reservoir, etc., etc.
no pedal not sticking its just becoming harder to get the shifter to go into every gear it happens wen its hot or cold doesn't matter I checked it thers fluid in ther
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Old Jul 19, 2017 | 03:37 AM
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Difficulty getting it into gear indicates the synchronizers aren't doing a good job of getting the parts spinning at the same speed. It's very unlikely that all the synchronizers are going bad this early, so something is happening to keep the clutch disc and transmission input shaft spinning faster than they should.

Possible causes include:

Not depressing the pedal far enough to fully disengage the clutch

Low fluid level in the clutch master cylinder reservoir

Defective pressure plate assembly

Some of the friction material on the clutch disc has come loose, and it's dragging on the flywheel or pressure plate.

Defective throwout bearing/concentric slave cylinder

Defective pilot bearing/bushing between the crankshaft and transmission input shaft


You should be pretty good at using the clutch by now, and it's easy to check/fix the fluid level. The other things require a trip to the dealer.

Last edited by WelderGuy; Jul 19, 2017 at 03:42 AM.
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Old Jul 19, 2017 | 04:01 AM
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Cool thanks for the info any clue if any of that is covered under warranty also I have a 2014 is the car even under warranty I can't remember how long gms warranty goes
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Old Jul 19, 2017 | 05:40 AM
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Originally Posted by Sunshine2013
Cool thanks for the info any clue if any of that is covered under warranty also I have a 2014 is the car even under warranty I can't remember how long gms warranty goes
My early 2014 C7 warranty was over so bought a new Grand Sport (not my reason!) Your 2014 Owners's Manual page 11-6 note 7 in PDF version says "replace clutch fluid every 2 years!" You may have not had that done. Might try a simple procedure to see if it helps.

A dealer will bleed from the slave cylinder but that requires removing an exhaust pipe and CAT to get to the bleed valve! They will not do a clutch bleed on warranty so you'll pay $125+ if you have not had it done. There is a simple procedure you can try to see if it is possibly clutch fluid contamination. Small particles can clog valves, restrict flow in small passages etc.

The simpler method is called the Ranger Method. I use it every oil change. Did that for 6 years in my C6 and 3 1/2 in my C7. Cost <$10 and takes <30 minutes.

This is a picture/text PDF of the simple method: http://netwelding.com/Clutch_Fluid.pdf

Here are some pics on the first one I did on my C7:



Clutch Fluid After 1st and 6th Change Using a Simple Replace and 30 Pump Procedure After Each Refill.

Last edited by JerryU; Jul 19, 2017 at 08:16 AM.
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Old Jul 19, 2017 | 07:03 AM
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Changing the clutch fluid is important, and the Ranger method is the easiest and least expensive way to do it, but I don't think dirty fluid has anything to do with the OP's problem.

Fluid contaminated with dust from the clutch parts causes excessive wear on the piston and seals in the concentric slave cylinder, and that results in the clutch pedal sticking to the floor.
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Old Jul 19, 2017 | 07:16 AM
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^^^
Perhaps you're right but for $10 if he never changed the fluid, worth a try. The original Ranger Video showed issues of contaminated fluid causing the clutch not to fully disengage!

He should do it anyway. Be curious if the dealer doesn't suggest bleeding (for $125+) as a first step before taking the trans apart! In fact most dealers don't have the skilled folks to to that! Probably send it out! Have a friend with a 6 bay shop that does most trans repairs for the local dealers. He said so few new car issues dealers don't keep someone with the skill needed. Most of his work is on auto and std trans imports in older cars.

Have to ask him if he has rebuilt any Vette A8s!

Last edited by JerryU; Jul 19, 2017 at 07:19 AM.
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Old Jul 19, 2017 | 07:59 AM
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Don't have a link but there is an alignment procedure for the shifter that may help.
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Old Jul 19, 2017 | 11:49 AM
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Originally Posted by 2K14C7
Don't have a link but there is an alignment procedure for the shifter that may help.
If it is hard to get into ALL gears, probably not shifter alignment, but it would not hurt to check it. If shifter is out of alignment, it usually means it will be harder to get in the gears where the shifter is either forward or toward the rear of the car, but not both. Basically, you just re-center the shifter around neutral.

Last edited by TEXHAWK0; Jul 19, 2017 at 11:50 AM.
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Old Jul 19, 2017 | 12:08 PM
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:iagree with all of the above statements, but it won't hurt to take it to your dealership for a diagnosis.
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