Gear 1-2 grind
10-07-2020, 08:08 PM
#166
RL Community Team
Rennlist Member
Rennlist Member
I have been exercising caution with the 1-2 shift, slower shifting more deliberate as not to rush the syncro, and therefore no grind... when it did grind it was a fast/rushed shift nearer 5K RPM that resulted in a grind.
Add to this that the 1-2 shift is generally the one you tend to do the quickest because it is at the beginning of any accelerating maneuver and it's going to happen a little more often, double clutching here kind of takes the momentum out of the run!
Strange that some have reported that a change in trans fluid seems to have helped the situation...
Add to this that the 1-2 shift is generally the one you tend to do the quickest because it is at the beginning of any accelerating maneuver and it's going to happen a little more often, double clutching here kind of takes the momentum out of the run!
Strange that some have reported that a change in trans fluid seems to have helped the situation...
Lift then shift... next time I am out! 
10-07-2020, 08:32 PM
#167
it can also be more than one thing, given some people have had the transmission replaced and others haven't had trouble after the break in period.
10-08-2020, 02:37 PM
#168
Rennlist Member
Auto blip helps the down shift from 2nd to 1st. Until I master the rev myself I'll use auto blip for this. Easier on the car as well.
10-08-2020, 08:51 PM
#169
I find even with auto blip 2->1 **** blocks me at the gate. To make 1st a real driving gear, which you absolutely should since it goes to like 40mph, you have to double clutch on the downshift. Your downshifts to first will be a lot faster, ironically. None of the other gears need that level of attention with auto blip enabled.
10-08-2020, 08:53 PM
#170
The auto blip 3->2 for the perfect heel toe every time is just silly good. Lazy, yup, I know.
10-08-2020, 09:00 PM
#171
Rennlist Member
I’ve never even thought about auto blip. I forgot the car had it and haven’t tried it. It’s so easy to rev match on this car that it’s superfluous. 1200 miles and no grind. Hopefully that will continue. Fingers crossed. BTW, I drove a friend’s 981 Spyder and the gears did grind on the 1-2 shift. I thought wtf, did I do that?! I felt so bad. I’ve been driving manual cars exclusively for 45 years! So perhaps this issue has been with the Spyder since the 981. If sos, that’s not reassuring.
10-08-2020, 09:57 PM
#172
Rennlist Member
1st gear for the tight switch backs works really well. Glad I started using it. 2nd is just a tad too tall for some of those.
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AlexCeres (10-09-2020)
10-08-2020, 11:53 PM
#173
Three Wheelin'
..............I drove a friend’s 981 Spyder and the gears did grind on the 1-2 shift. I thought wtf, did I do that?! I felt so bad. I’ve been driving manual cars exclusively for 45 years! So perhaps this issue has been with the Spyder since the 981. If sos, that’s not reassuring.
10-10-2020, 01:32 PM
#174
Burning Brakes
I need to read this thread in it's entirety when I have time later today.
I had the 1-2 grind today...twice, and I know my clutch pedal was depressed. 250 miles. Have not heard it before. When I heard it, I made a special attempt to push the clutch down firmly, and shift slowly. Will read to see if any of you have resolved this.
Gt4 June build.
this was on upshift.
no auto blip enabled
I had the 1-2 grind today...twice, and I know my clutch pedal was depressed. 250 miles. Have not heard it before. When I heard it, I made a special attempt to push the clutch down firmly, and shift slowly. Will read to see if any of you have resolved this.
Gt4 June build.
this was on upshift.
no auto blip enabled
10-12-2020, 07:10 PM
#175
Rennlist Member
same here. I had my first 500 kms driving like a little old lady and hadn’t heard it. I drove it a little harder today for the first time and sure enough the grind cometh. And I always put the clutch to the floorboard so I know it wasn’t on account of me taking liberties with pedal travel.
Drove the car extremely conservative for the first 1500km, but I’ve been pushing it a bit more since then and get the 1 to 2 grind regularly. I just went for a drive to pick up some tire cleaner and it happened THREE times in one trip.
For me the factors that cause it are a fast 1 to 2 shift above 4k RPM.
What’s really weird is that when I tried it out now with the clutch fully depressed the entire time (pull back from 1 to 2 without releasing the clutch at all) and it still made the grinding noise!?!?!?!?
I always drive with Auto-blip turned on because I’m lazy. Car has ~1750km
I’m going to email the dealership for a service appointment and see what they say.
Last edited by Rxpert; 10-12-2020 at 07:11 PM.
10-12-2020, 07:18 PM
#176
Rennlist Member
Sad to say, but add me as a +1 to this issue.
Drove the car extremely conservative for the first 1500km, but I’ve been pushing it a bit more since then and get the 1 to 2 grind regularly. I just went for a drive to pick up some tire cleaner and it happened THREE times in one trip.
For me the factors that cause it are a fast 1 to 2 shift above 4k RPM.
What’s really weird is that when I tried it out now with the clutch fully depressed the entire time (pull back from 1 to 2 without releasing the clutch at all) and it still made the grinding noise!?!?!?!?
I always drive with Auto-blip turned on because I’m lazy. Car has ~1750km
I’m going to email the dealership for a service appointment and see what they say.
Drove the car extremely conservative for the first 1500km, but I’ve been pushing it a bit more since then and get the 1 to 2 grind regularly. I just went for a drive to pick up some tire cleaner and it happened THREE times in one trip.
For me the factors that cause it are a fast 1 to 2 shift above 4k RPM.
What’s really weird is that when I tried it out now with the clutch fully depressed the entire time (pull back from 1 to 2 without releasing the clutch at all) and it still made the grinding noise!?!?!?!?
I always drive with Auto-blip turned on because I’m lazy. Car has ~1750km
I’m going to email the dealership for a service appointment and see what they say.
10-12-2020, 09:46 PM
#177
Burning Brakes
Sorry a bit off topic but before I start a thread maybe someone can chime in or direct me to a thread where this is already discussed...
I have about 600kms on the car now and although I usually do my own rev matching I have had auto blip on for all my driving so far.
Periodically when downshifting a real screech seems to come out of what sounds like the driver’s side intake area; maybe doing this on the passenger side intake as well but I am in the driver’s seat so I am not sure. Ironically it sounds a bit like when gears grind... that’s why this is not completely off topic. Sometimes there is no sound, sometimes it is mild, and sometimes it is really aggressive. It is not a good sound.
I have about 600kms on the car now and although I usually do my own rev matching I have had auto blip on for all my driving so far.
Periodically when downshifting a real screech seems to come out of what sounds like the driver’s side intake area; maybe doing this on the passenger side intake as well but I am in the driver’s seat so I am not sure. Ironically it sounds a bit like when gears grind... that’s why this is not completely off topic
. Sometimes there is no sound, sometimes it is mild, and sometimes it is really aggressive. It is not a good sound.
10-12-2020, 10:16 PM
#178
Rennlist Member
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AlexCeres (10-13-2020)
10-12-2020, 10:34 PM
#179
RL Community Team
Rennlist Member
Rennlist Member
Sad to say, but add me as a +1 to this issue.
Drove the car extremely conservative for the first 1500km, but I’ve been pushing it a bit more since then and get the 1 to 2 grind regularly. I just went for a drive to pick up some tire cleaner and it happened THREE times in one trip.
For me the factors that cause it are a fast 1 to 2 shift above 4k RPM.
What’s really weird is that when I tried it out now with the clutch fully depressed the entire time (pull back from 1 to 2 without releasing the clutch at all) and it still made the grinding noise!?!?!?!?
I always drive with Auto-blip turned on because I’m lazy. Car has ~1750km
I’m going to email the dealership for a service appointment and see what they say.
Drove the car extremely conservative for the first 1500km, but I’ve been pushing it a bit more since then and get the 1 to 2 grind regularly. I just went for a drive to pick up some tire cleaner and it happened THREE times in one trip.
For me the factors that cause it are a fast 1 to 2 shift above 4k RPM.
What’s really weird is that when I tried it out now with the clutch fully depressed the entire time (pull back from 1 to 2 without releasing the clutch at all) and it still made the grinding noise!?!?!?!?
I always drive with Auto-blip turned on because I’m lazy. Car has ~1750km
I’m going to email the dealership for a service appointment and see what they say.
10-13-2020, 08:17 PM
#180
Guys - everyone who has this issue needs to take the car to the dealer for diagnosis. Even if they don’t find the problem porsche then will have every owner with every instance documented. That way they will know it’s a problem that needs addressing.
Don’t throw money at the issue trying to mitigate it. A sports car like this should not grind from first to second with the clutch in end of story.
2016 GT4s had problems losing third gear. Porsche eventually got wise and started repairing / replacing transmissions preemptively.
It wouldn’t be too far fetched to have another issue if it’s the same transmission / manufacturer. (even if it’s not)
Don’t throw money at the issue trying to mitigate it. A sports car like this should not grind from first to second with the clutch in end of story.
2016 GT4s had problems losing third gear. Porsche eventually got wise and started repairing / replacing transmissions preemptively.
It wouldn’t be too far fetched to have another issue if it’s the same transmission / manufacturer. (even if it’s not)