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HARD GEAR CHANGES!!


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Macauley
New User

Oct 4, 2020, 3:57 AM

Post #1 of 7 (196 views)
HARD GEAR CHANGES!! Sign In

Hi guys recently bought a astra 1.4T SRI but when changing gears is rough only way I can describe it is notchy instead of sliding straight in almost feels like it's rubbing there's resistance when shifting. Just had new clutch and flywheel changed gear box oil thinking this will solves the problem unfortunately it hasnt still feels clunky In all gears second gear feels like your gonna snap the stick while trying to select. Any ideas or similar experience? Thanks in advance


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 4, 2020, 4:18 AM

Post #2 of 7 (190 views)
Re: HARD GEAR CHANGES!! Sign In

Sorry but that car is not sold here in the US so we have no info on it at all.



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Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 4, 2020, 4:24 AM

Post #3 of 7 (188 views)
Re: HARD GEAR CHANGES!! Sign In

Try this: Shift this thing with engine OFF. If it is fine then AND this has an "hydraulic" clutch (most use brake fluid) that system is the most likely problem.
Other is plain linkage if exposed to elements all bent, corroded or worn in some way should have been noticed with a clutch replacement - all of that?
What prompted you do replace that just BTW asking? A plain worn out clutch would shift perfectly just not go anywhere. Gear oil of trans could get so hot it's sticky IDK if just replacing it would help if the issue at all?
Go easy sport - you seem to be tossing stuff that may cause you problems without diagnosing what the source problem is,


T



Macauley
New User

Oct 4, 2020, 5:28 AM

Post #4 of 7 (176 views)
Re: HARD GEAR CHANGES!! Sign In

Hi thanks for the quick reply tom tried shifting with the engine off its still a little notchy but not as bad as when running. Had the clutch and flywheel replaced after taking it to a vauxuall dealer who recommended to replace then took it to another garage who done the work who also agreed that the clutch and flywheel needed replacing seems as that hasn't done the trick gonna call the garage tomorrow and have it back in for the the third time the thing is driving me crazy I'm £1000 down and still having the same problem!! Should of stuck with a pedal bike lol


Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 4, 2020, 5:51 AM

Post #5 of 7 (168 views)
Re: HARD GEAR CHANGES!! Sign In

OK: Hammer said it wasn't sold to the US and you just used this money symbol >£< for a British Pound. I guessed that so right hand steering wheel this would be an hydraulic clutch so it can easily be made either way > I think "Vauxhall" is now a VW owned entity making things for everywhere to spec needed.
Here's the possible and unfortunate problem just an IMO it needs checking. Hydraulic clutch LINKAGES do fail to depress a clutch pedal for assorted reasons but folks keep driving (the guess du jour) which is wrecking synchros in transmissions or you say "gearbox" if British? Same deal it's stressing those now worn badly or busted? Those slow or speed up gears to match engine/road speed so no grinding and smooth shifting ride on shafts that really don't get fixed rather replaced or find another used that's a perfect match.


The issue is YOU need to have a shop/garage that specializes in "transmissions" is greatly it's own area of expertise repair or replace. I don't recall the model year (or year made of the thing) but would need to match perfectly if used possibly the best way out at the risk of used always a risk.
In short some very qualified hands on diagnosing I'm really leaning toward this trans was shifted hard when clutch linkage was the problem if not still was before and harmed trans. IDK of course it will take being right there inspecting it, dismantle it a labor hog just to verify it.


Perhaps you could rule out everything else possible without just tossing parts look at items you CAN see move that they do operating clutch pedal and shifter if externally especially see if a problem there about now should be an easier fix??


Can't know so default is the pros and make sure they specialize in this stuff it's not for every shop/garage it would take up time and valuable space - all depends on exact locations here or wherever you are.


Good luck - I think it's trashed but still guessing that,


Tom


I can't know details of internals but a high change guess.



White Trash CVP
User

Oct 5, 2020, 10:34 AM

Post #6 of 7 (124 views)
Re: HARD GEAR CHANGES!! Sign In

Tom, wouldn't worn synchros only be noticeable when downshifting? Perhaps they don't do what I think, but recalling 70 pound clutches in very old rigs - used to upshift by just unloading the gears, matching RPM, and sliding it in. Seems like the OP is speaking more on shifter engagement and feel rather than selection.

Good diagnostic call on feel with engine off.

Has me leaning towards (first) crusty shift cable linkage or (second) worn detents .. likely that Delron stuff.

UK drivers tend to still have a feel for crash boxes that have been lost in the average US. The clutch itself, almost .. ancilliary.


Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 5, 2020, 11:13 AM

Post #7 of 7 (120 views)
Re: HARD GEAR CHANGES!! Sign In

Synchros would work harder downshifting than upshifting or all my own did or do have ONE non synchro machine totally don't go near the thing if you don't have a clue.
Crash box? Do you mean indented to shift with disregard of gears like many motorcycles I owned did crunch so just shift fast enough was intended.


In my general area of the world I called manual shift cars/trucks "standard shift" are just a royal PAIN for traffic even if you are good at it is a bit busy for me.


Synchos now in the few assorted anythings I will drive or test out are like butter compared to what I knew back when could almost force them without using clutch till you wrecked trans. That's now not something I would do, takes up space, time too valuable to waste is TMK it's own specialty set up for that and you pay for it too.


Don't forget most all other non N. American countries have less hidden features to add cost to new vehicle so cheaper to make standards still now here hard to make them pass emissions takes more controls as driver can choose to be early or late shifting OMG don't let a molecule of icky exhaust out that isn't perfect.


Again - I just don't see them anymore and not dealing with wild assortments of vehicles nor the hyper retro road burning things we see out there a memory of the insane Muscle Car era OMG some were enough to bend their own body or subframes!


Tom







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