Can't engage gear when engine is on
08-14-2016, 01:09 PM
#1
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Can't engage gear when engine is on
Hi,
I started my 964 turbo today after 2 months. The gears initially refused to engage when engine was running. After the engine was turned off, the gears worked fine. I kept playing with the gears with engine off and then switching it back on. After some 10 mins, it worked normally again.
I never had this experience with Porsches before (although Ferraris do have this issue). There was no leakage under the car.
Wondering if any fellow owners had this experience and may know the issue?
Thanks.
I started my 964 turbo today after 2 months. The gears initially refused to engage when engine was running. After the engine was turned off, the gears worked fine. I kept playing with the gears with engine off and then switching it back on. After some 10 mins, it worked normally again.
I never had this experience with Porsches before (although Ferraris do have this issue). There was no leakage under the car.
Wondering if any fellow owners had this experience and may know the issue?
Thanks.
08-14-2016, 08:15 PM
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08-14-2016, 08:54 PM
#6
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Clutch disc stuck to pressure plate. Happens if you seldom drive your car, or if you wash your car on grass and leave it there overnight, any water/moisture gets into your clutch housing-Rust and what-not settles in.
you have to get your car safely onto a street somehow, maybe push it to the street. While engine is off place into 1st gear, push in your clutch and start your car (yes, it will propel your car forward). Now while keeping your clutch in accelerate and coast, accelerate and coast until the adhesion breaks (maybe two or three accelerations). Ive had this happen to my 964, also my 994T. A neighbor's Aston Martin did same thing. The above instructions clears the problem every time
Jaime
you have to get your car safely onto a street somehow, maybe push it to the street. While engine is off place into 1st gear, push in your clutch and start your car (yes, it will propel your car forward). Now while keeping your clutch in accelerate and coast, accelerate and coast until the adhesion breaks (maybe two or three accelerations). Ive had this happen to my 964, also my 994T. A neighbor's Aston Martin did same thing. The above instructions clears the problem every time
Jaime
08-14-2016, 09:42 PM
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Clutch disc stuck to pressure plate. Happens if you seldom drive your car, or if you wash your car on grass and leave it there overnight, any water/moisture gets into your clutch housing-Rust and what-not settles in.
you have to get your car safely onto a street somehow, maybe push it to the street. While engine is off place into 1st gear, push in your clutch and start your car (yes, it will propel your car forward). Now while keeping your clutch in accelerate and coast, accelerate and coast until the adhesion breaks (maybe two or three accelerations). Ive had this happen to my 964, also my 994T. A neighbor's Aston Martin did same thing. The above instructions clears the problem every time
Jaime
you have to get your car safely onto a street somehow, maybe push it to the street. While engine is off place into 1st gear, push in your clutch and start your car (yes, it will propel your car forward). Now while keeping your clutch in accelerate and coast, accelerate and coast until the adhesion breaks (maybe two or three accelerations). Ive had this happen to my 964, also my 994T. A neighbor's Aston Martin did same thing. The above instructions clears the problem every time
Jaime
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08-15-2016, 04:08 AM
#9
Clutch bleed seems sensible particularly if the problem reduces with running. Perhaps this is the increased temperatures expanding any air in the system enough to give you sufficient movement on the slave. Bleed system, remove air/water, improve slave movement - makes sense.
If a broken pressure plate finger then surely that would rattle around the clutch housing doing all sorts of damage a making a racket? Never had this happen to me (so far) but sounds ugly and expensive.
My philosophy is start with the most obvious and work out from there.
Z
If a broken pressure plate finger then surely that would rattle around the clutch housing doing all sorts of damage a making a racket? Never had this happen to me (so far) but sounds ugly and expensive.
My philosophy is start with the most obvious and work out from there.
Z
08-15-2016, 10:41 AM
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Clutch bleed seems sensible particularly if the problem reduces with running. Perhaps this is the increased temperatures expanding any air in the system enough to give you sufficient movement on the slave. Bleed system, remove air/water, improve slave movement - makes sense.
If a broken pressure plate finger then surely that would rattle around the clutch housing doing all sorts of damage a making a racket? Never had this happen to me (so far) but sounds ugly and expensive.
My philosophy is start with the most obvious and work out from there.
Z
If a broken pressure plate finger then surely that would rattle around the clutch housing doing all sorts of damage a making a racket? Never had this happen to me (so far) but sounds ugly and expensive.
My philosophy is start with the most obvious and work out from there.
Z
08-15-2016, 05:44 PM
#11
I suspect you have greater experience/skills than I, MDH so I'll ask the question: Do the fingers tend to fail sympathetically and just bend themselves into their neighbours - rather than catastrophically breaking off & destroying everything expensive they find in the bell housing? Or is it a case of the broken finger allowing the release bearing to separate?
Z
Z
