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Boxster S 6 Speed case cleanup, Case cleanup

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Gearup	Oct 28 2019, 07:00 PM Post#1
Member Group: Members Posts: 158 Joined: 21-April 15 From: Denver Member No.: 18,660 Region Association: None	Good evening, Hey guys, I received my Boxster S transmission today. I was curious if anybody had any recommendations on cleaning the case. I used a Dremel on my 901 and it turned out beautiful. Any issues using a wire brush on the Boxster case. I know that might sound like a stupid question but don’t want to mess it up. After I get most of the heavy stuff I could try pressure wash and cleaning or something.Any input is appreciated… Thank you Attached thumbnail(s)

914forme	Oct 28 2019, 07:15 PM Post#2
Times a wastin', get wrenchin'! Group: Members Posts: 3,896 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None	seal up the vent and the cv flange seals and vapor or dry ice blast it.

mepstein	Oct 28 2019, 07:24 PM Post#3
914-6 GT in waiting Group: Members Posts: 19,334 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region	For normal cleaning, we use a steam pressure washer. The steam melts off the oil and tar. If you want it to look pretty, it will need to be blasted with some sort of media or lots of manual labor.

wndsrfr	Oct 28 2019, 07:34 PM Post#4
Senior Member Group: Members Posts: 1,430 Joined: 30-April 09 From: Rescue, Virginia Member No.: 10,318 Region Association: MidAtlantic Region	Really? From the pic it's much cleaner than my tranz's.... Three cans of CarQuest BrakeKleen will do you just fine...

partwerks	Oct 28 2019, 09:25 PM Post#5
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	On a side note, which Boxster S trans is the one that had that pop out in 2nd gear?

ClayPerrine	Oct 28 2019, 09:29 PM Post#6
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Oct 28 2019, 10:25 PM) On a side note, which Boxster S trans is the one that had that pop out in 2nd gear? G86-20 . It is the same one you have. The G86-21 does not have that problem.

partwerks	Oct 28 2019, 09:52 PM Post#7
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(ClayPerrine @ Oct 28 2019, 07:29 PM) QUOTE(partwerks @ Oct 28 2019, 10:25 PM) On a side note, which Boxster S trans is the one that had that pop out in 2nd gear? G86-20 . It is the same one you have. The G86-21 does not have that problem. Don't have a 6 yet, but what is the difference between the two, like a particular year?

ClayPerrine	Oct 29 2019, 07:08 AM Post#8
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Oct 28 2019, 10:52 PM) QUOTE(ClayPerrine @ Oct 28 2019, 07:29 PM) QUOTE(partwerks @ Oct 28 2019, 10:25 PM) On a side note, which Boxster S trans is the one that had that pop out in 2nd gear? G86-20 . It is the same one you have. The G86-21 does not have that problem. Don't have a 6 yet, but what is the difference between the two, like a particular year? Redesign of the trans to prevent the issues with the 2nd gear popout. You can tell the difference by the shift cable attachment points. On the G86-20 , the cables connect to the right side of the transmission. On the G-86-21, the cables attach one to each side, and there is a crossover linkage for one cable. I have the G86-21 in my car.

partwerks	Oct 29 2019, 09:36 PM Post#9
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(ClayPerrine @ Oct 29 2019, 05:08 AM) QUOTE(partwerks @ Oct 28 2019, 10:52 PM) QUOTE(ClayPerrine @ Oct 28 2019, 07:29 PM) QUOTE(partwerks @ Oct 28 2019, 10:25 PM) On a side note, which Boxster S trans is the one that had that pop out in 2nd gear? G86-20 . It is the same one you have. The G86-21 does not have that problem. Don't have a 6 yet, but what is the difference between the two, like a particular year? Redesign of the trans to prevent the issues with the 2nd gear popout. You can tell the difference by the shift cable attachment points. On the G86-20 , the cables connect to the right side of the transmission. On the G-86-21, the cables attach one to each side, and there is a crossover linkage for one cable. I have the G86-21 in my car. What years are the G86-20, and G86-21? It was my understanding to get a Boxster S, 2000-2004 for better gearing? The linkage you have on your trans will work with what this business makes, but only does the 987 cable ends, but makes the shifter for both, 986/987. http://www.function-first.com/products/eng...-right-solution Will 987 cables work on the 986.20? Could put those 987 cable ends on some used 987 cables, but not certain they will work on the 986? And also note that the 987 5spd cables are different lengths vs the 987 6spd cables.

ClayPerrine	Oct 30 2019, 06:44 AM Post#10
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Oct 29 2019, 10:36 PM) What years are the G86-20, and G86-21? It was my understanding to get a Boxster S, 2000-2004 for better gearing? The linkage you have on your trans will work with what this business makes, but only does the 987 cable ends, but makes the shifter for both, 986/987. http://www.function-first.com/products/eng...-right-solution Will 987 cables work on the 986.20? Could put those 987 cable ends on some used 987 cables, but not certain they will work on the 986? And also note that the 987 5spd cables are different lengths vs the 987 6spd cables. The G86-21 showed up in 2005. Mine is a 2006 Cayman S trans. I used the G-86-21 because it did not have the issue with second gear. I didn't do any comparisons on gearing. Although after driving it, I wish the gearing was a little taller across the board. But that is due to tire size not a fault of the transmission. I can't speak intelligently about the shifter and factory cables. I used Numeric racing shifter cables ( https://numericracing.com/store/cables-986987/ )for the 2006 Cayman S, paired to a custom made shifter. I didn't want a Boxster/Cayman shifter in my car. To me, it doesn't look right. You can see my shifter on this page of my build thread. The Numeric racing cables had to be slightly modified so they would go into the speedometer cable and shifter rod holes in the firewall. I ground off the flange on the shifter end of the cables and used double nuts once the cable was out the shifter hole in the tunnel.

partwerks	Oct 30 2019, 07:23 PM Post#11
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	On the picture of the top trans, the part that is circled in blue, on the linkage, what is the part that appears to be pipe shaped, on the top??

ClayPerrine	Oct 30 2019, 07:49 PM Post#12
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Oct 30 2019, 08:23 PM) On the picture of the top trans, the part that is circled in blue, on the linkage, what is the part that appears to be pipe shaped, on the top?? That is a weight. It is there to make shifting into gear easier. You get the weight moving with the shifter, and the weight's inertia helps to engage the gears. On the bottom transmission, they went to a small cast iron flywheel. It is the black wheel on the left side of the transmission.

partwerks	Oct 30 2019, 08:23 PM Post#13
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(ClayPerrine @ Oct 30 2019, 05:49 PM) QUOTE(partwerks @ Oct 30 2019, 08:23 PM) On the picture of the top trans, the part that is circled in blue, on the linkage, what is the part that appears to be pipe shaped, on the top?? That is a weight. It is there to make shifting into gear easier. You get the weight moving with the shifter, and the weight's inertia helps to engage the gears. On the bottom transmission, they went to a small cast iron flywheel. It is the black wheel on the left side of the transmission. I wonder if those balls that snap on the ends of the cables, are the same size on the 986, and 987? For some reason he doesn't make the cable ends for the 986, and suggested using the 987 cables, so a person could use the ends. I would assume the 986/987 cables are about the same length, but might have a different spots along where they mount in the mounting brackets on the side of the trans, I presume?

ClayPerrine	Oct 31 2019, 06:44 AM Post#14
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Oct 30 2019, 09:23 PM) QUOTE(ClayPerrine @ Oct 30 2019, 05:49 PM) QUOTE(partwerks @ Oct 30 2019, 08:23 PM) On the picture of the top trans, the part that is circled in blue, on the linkage, what is the part that appears to be pipe shaped, on the top?? That is a weight. It is there to make shifting into gear easier. You get the weight moving with the shifter, and the weight's inertia helps to engage the gears. On the bottom transmission, they went to a small cast iron flywheel. It is the black wheel on the left side of the transmission. I wonder if those balls that snap on the ends of the cables, are the same size on the 986, and 987? For some reason he doesn't make the cable ends for the 986, and suggested using the 987 cables, so a person could use the ends. I would assume the 986/987 cables are about the same length, but might have a different spots along where they mount in the mounting brackets on the side of the trans, I presume? They are all the same when it comes to the cable connections.

partwerks	Oct 31 2019, 06:02 PM Post#15
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(ClayPerrine @ Oct 31 2019, 04:44 AM) QUOTE(partwerks @ Oct 30 2019, 09:23 PM) QUOTE(ClayPerrine @ Oct 30 2019, 05:49 PM) QUOTE(partwerks @ Oct 30 2019, 08:23 PM) On the picture of the top trans, the part that is circled in blue, on the linkage, what is the part that appears to be pipe shaped, on the top?? That is a weight. It is there to make shifting into gear easier. You get the weight moving with the shifter, and the weight's inertia helps to engage the gears. On the bottom transmission, they went to a small cast iron flywheel. It is the black wheel on the left side of the transmission. I wonder if those balls that snap on the ends of the cables, are the same size on the 986, and 987? For some reason he doesn't make the cable ends for the 986, and suggested using the 987 cables, so a person could use the ends. I would assume the 986/987 cables are about the same length, but might have a different spots along where they mount in the mounting brackets on the side of the trans, I presume? They are all the same when it comes to the cable connections. What about where they clip in to those brackets on the side of the trans?

partwerks	Nov 24 2019, 04:29 PM Post#16
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(ClayPerrine @ Oct 28 2019, 07:29 PM) QUOTE(partwerks @ Oct 28 2019, 10:25 PM) On a side note, which Boxster S trans is the one that had that pop out in 2nd gear? G86-20 . It is the same one you have. The G86-21 does not have that problem. From what Renegade said, the 2000-2004 has the better gearing for the V8? Do they all have that popping out of gear, or just some for those years?

tygaboy	Nov 24 2019, 08:09 PM Post#17
914 Guru Group: Members Posts: 5,332 Joined: 6-October 15 From: Petaluma, CA Member No.: 19,241 Region Association: Northern California	The popping out of gear thing may be happening to some or many of the G86-20 boxes, but not all of them. I don't believe Tony @Cracker has had any issues with his. Fingers crossed I got one of the non problematic examples...

partwerks	Nov 24 2019, 10:10 PM Post#18
Senior Member Group: Members Posts: 1,593 Joined: 7-September 06 From: Grand Island, NE Member No.: 6,787	QUOTE(tygaboy @ Nov 24 2019, 06:09 PM) The popping out of gear thing may be happening to some or many of the G86-20 boxes, but not all of them. I don't believe Tony @Cracker has had any issues with his. Fingers crossed I got one of the non problematic examples... Didn't they have some sort of fix it kit for that?

ClayPerrine	Nov 25 2019, 07:18 AM Post#19
Life's been good to me so far..... Group: Admin Posts: 15,591 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille	QUOTE(partwerks @ Nov 24 2019, 10:10 PM) QUOTE(tygaboy @ Nov 24 2019, 06:09 PM) The popping out of gear thing may be happening to some or many of the G86-20 boxes, but not all of them. I don't believe Tony @Cracker has had any issues with his. Fingers crossed I got one of the non problematic examples... Didn't they have some sort of fix it kit for that? A very expensive rebuild.....

Gearup	Nov 25 2019, 11:22 AM Post#20
Member Group: Members Posts: 158 Joined: 21-April 15 From: Denver Member No.: 18,660 Region Association: None	QUOTE(partwerks @ Nov 24 2019, 09:10 PM) QUOTE(tygaboy @ Nov 24 2019, 06:09 PM) The popping out of gear thing may be happening to some or many of the G86-20 boxes, but not all of them. I don't believe Tony @Cracker has had any issues with his. Fingers crossed I got one of the non problematic examples... Didn't they have some sort of fix it kit for that? Actually I have an article which shows what appears to be a very simple fix to that problem

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