Replacing the clutch and various engine questions, What we found when the tranny dropped |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
Replacing the clutch and various engine questions, What we found when the tranny dropped |
BCinSC |
Jul 19 2003, 08:13 PM
Post
#1
|
Nothing but Trouble Group: Members Posts: 138 Joined: 8-June 03 From: Wakefield, MA Member No.: 800 Region Association: North East States |
(IMG:style_emoticons/default/headbang.gif) As feared, the clutch failed due to oil soaking. It appears the rear main seal is leaking - when I touch with finger, oil spooges out. While I'm in there, what else should be replaced? I have the 20 piece kit from Pelican, the link to which I'll add in update post, and obviously, I need at least rear main seal and new flywheel to go along with new clutch disc and pressure plate. With a original CA 1.7L that had a whopping 69HP new (and maybe all of 60 now), should I bother with Pelican's lightened flywheel?
I noticed there's a passthru hole behind the flywheel into the engine compartment. It's about the size of the timing hole in the impeller housing (timing hole) and threaded, so I assume there's a cap. Is this correct and where do I get one? Is it same as impeller hole cap? Can I clean tranny case completely while out of car? We hosed it down with brake cleaner and high-pressure washer before starting - 30 years of sludge buildup with a nice coat of oil on top neccesitated that. Of course, that got most off bottom, but top is NASTY. Now that it's out, what do I need to cover and protect? Should I clean and repack bearings in CV joints? Of course, 5 out of 6 studs snapped off muffler due to excessive rust. The H.E. look in pretty bad shape. Figure I'll replace the whole shebang. Recommendations? Heat not required. Some 911 owners are going to Flowmeister mufflers; has anyone used similar on 914-4? Are Kerry Hunter's headers still the best? If not, could I have some stainless pipes fabricated? Thank you, Bruce Carney (and Dave McLaughlin aka DJM914-6) |
Lawrence |
Jul 19 2003, 08:33 PM
Post
#2
|
Senior Member Group: Benefactors Posts: 1,661 Joined: 5-February 03 Member No.: 244 Region Association: None |
Can you post a picture of the hole you're referring to? I can't get an image of that in my mind.
Oh, when you powerwash the transmission, you can take an old spark plug and use it in place of the vent plug. That will help keep some water out. Plan on replacing the input shaft seal and the two output shaft seals. Change your tranny oil and replace seals after you power wash, in case some water gets past the old seals. Hope this helps, Rusty (IMG:style_emoticons/default/smoke.gif) P.S. I R&R'd my tranny today, too. I forgot to put the cup bushing in when I had it apart last week. P.P.S. Make sure you have new serrated washers for the CV joint bolts. Keep a few bolts handy in case you strip one or two. |
djm914-6 |
Jul 19 2003, 10:27 PM
Post
#3
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
What serrated washers for CV bolts? Funny, Dave and I both commented on wishing we had your number while pulling this apart. Took all afternoon. You gave it to me a couple weeks ago, but it's in my email in South Carolina and I'm at Dave's in Mass.
|
djm914-6 |
Jul 19 2003, 10:42 PM
Post
#4
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
Realize now that I'm signed in as Dave. This is Bruce (BCinSC)
|
djm914-6 |
Jul 20 2003, 10:44 AM
Post
#5
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
OK, some pics:
Hole behind flywheel into engine compartment Attached image(s) |
djm914-6 |
Jul 20 2003, 10:45 AM
Post
#6
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
Oil leak area
Attached image(s) |
djm914-6 |
Jul 20 2003, 10:46 AM
Post
#7
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
Flywheel
Attached image(s) |
djm914-6 |
Jul 20 2003, 10:47 AM
Post
#8
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
clutch disc
Attached image(s) |
djm914-6 |
Jul 20 2003, 10:47 AM
Post
#9
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
other side
Attached image(s) |
djm914-6 |
Jul 20 2003, 10:48 AM
Post
#10
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
Pressure plate
Attached image(s) |
djm914-6 |
Jul 20 2003, 10:49 AM
Post
#11
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
again, in different light
Attached image(s) |
ejm |
Jul 20 2003, 11:27 AM
Post
#12
|
I can see the light at the end of the tunnel Group: Members Posts: 2,686 Joined: 3-February 03 From: Massachusetts Member No.: 224 Region Association: None |
QUOTE(djm914-6 @ Jul 20 2003, 08:44 AM) OK, some pics: Hole behind flywheel into engine compartment The hole is a VW thing. On VW buses and Type 4's the hole is used to access the torque convertor bolts on the fully automatic transmissions. Even if they had produced a /4 sporto the hole would still have gone unused, sporto's and the VW auto-stick tranny's used a different set-up. I don't recall seeing one that was threaded but there was a cover that snapped in. Bruce - Will you still be at Dave's next weekend? |
Aaron Cox |
Jul 20 2003, 11:56 AM
Post
#13
|
Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
wierd- my 2.0 doesnt have that access hole. (IMG:style_emoticons/default/smile.gif) mine is a GA case- is yours?
|
Lawrence |
Jul 20 2003, 12:08 PM
Post
#14
|
Senior Member Group: Benefactors Posts: 1,661 Joined: 5-February 03 Member No.: 244 Region Association: None |
I don't ever remember seeing that hole. But I've only done clutch jobs on 2.0/4s.
Someone else is going to have to chime in... but you're right about replacing everything in there. -Rusty (IMG:style_emoticons/default/smoke.gif) |
djm914-6 |
Jul 20 2003, 12:27 PM
Post
#15
|
Happiness is: Getting on the road Group: Members Posts: 1,864 Joined: 6-February 03 From: Burlington MA Member No.: 248 Region Association: None |
Yes, I (Bruce) will be here next weekend. This is an EB? engine (1973 1.7L California spec) all original (except fuel pump and steering wheel).
|
cgnj |
Jul 20 2003, 12:47 PM
Post
#16
|
Senior Member Group: Members Posts: 620 Joined: 6-March 03 From: Medford, NJ Member No.: 403 Region Association: None |
Hi,
I checked three cases in my garage. All of them have it. EC,GA,GC. Should be covered with a black plastic plug. Carlos |
Brad Roberts |
Jul 20 2003, 12:53 PM
Post
#17
|
914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
I see enough meat on that flywheel.. you should just have turned. Dont buy a new flywheel. We can help you locate a machine shop in your area that is familiar with a 2 step flywheel.
I also wouldnt worry about the lightened flywheel. The 1.7 needs all the rotating enertia it can get. B |
Alfred |
Jul 20 2003, 01:02 PM
Post
#18
|
Unregistered |
A lightened flywheel will have a lower moment of inertia.
Alfred |
Brad Roberts |
Jul 20 2003, 01:07 PM
Post
#19
|
914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Correct..
I feel that a 1.7 needs all the help it can get (heavy flywheel) a light one doesnt help you go over hills while running down the freeway. B |
Lawrence |
Jul 20 2003, 03:13 PM
Post
#20
|
Senior Member Group: Benefactors Posts: 1,661 Joined: 5-February 03 Member No.: 244 Region Association: None |
|
Lo-Fi Version | Time is now: 28th March 2024 - 08:24 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |