Venting clearance..., Help please |
|
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. |
|
Venting clearance..., Help please |
PeeGreen 914 |
Apr 25 2008, 11:27 AM
Post
#1
|
Just when you think you're done...wait, there is more..lol Group: Members Posts: 10,219 Joined: 21-September 06 From: Seattle, WA... actually Everett Member No.: 6,884 Region Association: Pacific Northwest |
Okay, I know I could look it up. However, due to time constrants I am hoping someone knows off the top of their head what the venting clearance is supposed to be for the rear brakes. I need to reset mine as I just found that the ebrake was partially ingauged when I set it last.
Thanks Jon (IMG:style_emoticons/default/drunk.gif) |
dbgriffith75 |
Apr 25 2008, 11:29 AM
Post
#2
|
TheGrif Group: Members Posts: 509 Joined: 25-July 07 From: Iowa, USA Member No.: 7,945 Region Association: Upper MidWest |
I can't confirm it off the top of my head, but I think it's supposed to be set at 32 thousandths, or .032 on your feeler gauge.
|
PeeGreen 914 |
Apr 25 2008, 11:44 AM
Post
#3
|
Just when you think you're done...wait, there is more..lol Group: Members Posts: 10,219 Joined: 21-September 06 From: Seattle, WA... actually Everett Member No.: 6,884 Region Association: Pacific Northwest |
(IMG:style_emoticons/default/beerchug.gif) well... I will give that a try unless someone can say otherwise.
Thanks |
sww914 |
Apr 25 2008, 11:45 AM
Post
#4
|
Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
My feeble brain tells me .006". I think that .032 will give you a long pedal.
|
effutuo101 |
Apr 25 2008, 11:47 AM
Post
#5
|
Advanced Member Group: Members Posts: 2,735 Joined: 10-April 05 From: Lemon Grove Member No.: 3,914 Region Association: Southern California |
6mm between piston and disk (no pad) If you adjust with pads in, take out the retraining spring.
|
sww914 |
Apr 25 2008, 11:48 AM
Post
#6
|
Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
This Pelican article says .008".
http://www.pelicanparts.com/techarticles/9..._brake_pads.htm |
rhodyguy |
Apr 25 2008, 11:49 AM
Post
#7
|
Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,188 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
look down a few threads for the bump jon. venting clearance...
|
dbgriffith75 |
Apr 25 2008, 11:49 AM
Post
#8
|
TheGrif Group: Members Posts: 509 Joined: 25-July 07 From: Iowa, USA Member No.: 7,945 Region Association: Upper MidWest |
...then what the crap am I thinking of...?
|
sww914 |
Apr 25 2008, 11:51 AM
Post
#9
|
Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
Spark plugs?
|
r_towle |
Apr 25 2008, 11:55 AM
Post
#10
|
Custom Member Group: Members Posts: 24,624 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
.004
|
Eric_Shea |
Apr 25 2008, 11:58 AM
Post
#11
|
PMB Performance Group: Admin Posts: 19,289 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding... we have a winner:
.004 Factory manual stated .008 and all of the Haynes/Clymers were drafted off that figure. Then the factory sent out a TSB stating that .004 is correct. Adjust on the high side of your runout obviously. |
PeeGreen 914 |
Apr 25 2008, 12:36 PM
Post
#12
|
Just when you think you're done...wait, there is more..lol Group: Members Posts: 10,219 Joined: 21-September 06 From: Seattle, WA... actually Everett Member No.: 6,884 Region Association: Pacific Northwest |
Thanks guys... I knew it wouldn't take long before Eric chimed in (IMG:style_emoticons/default/biggrin.gif)
|
bulitt |
Sep 28 2017, 06:30 PM
Post
#13
|
Achtzylinder Group: Members Posts: 4,188 Joined: 2-October 11 Member No.: 13,632 Region Association: South East States |
Ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding, ding... we have a winner: .004 Factory manual stated .008 and all of the Haynes/Clymers were drafted off that figure. Then the factory sent out a TSB stating that .004 is correct. Adjust on the high side of your runout obviously. I love you ERC... |
PlaysWithCars |
Sep 28 2017, 09:17 PM
Post
#14
|
Senior Member Group: Members Posts: 528 Joined: 9-November 03 From: Southeast of Seattle Member No.: 1,323 Region Association: Pacific Northwest |
I love you ERC... Wow! You might want to check with a therapist but I'm pretty sure taking 9 years to express your feelings is not healthy. (IMG:style_emoticons/default/poke.gif) |
bulitt |
Sep 29 2017, 05:08 AM
Post
#15
|
Achtzylinder Group: Members Posts: 4,188 Joined: 2-October 11 Member No.: 13,632 Region Association: South East States |
(IMG:style_emoticons/default/biggrin.gif)
Nothing like dragging up an old thread to remind myself how valuable Eric's tutorials have been over the years. |
r_towle |
Sep 29 2017, 07:23 AM
Post
#16
|
Custom Member Group: Members Posts: 24,624 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
(IMG:style_emoticons/default/biggrin.gif) Nothing like dragging up an old thread to remind myself how valuable Eric's tutorials have been over the years. Eric is no Dick |
GeorgeRud |
Sep 29 2017, 09:22 PM
Post
#17
|
Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
Now known as Spongy Pedals?
|
DaveO90s4 |
May 13 2018, 07:07 AM
Post
#18
|
Member Group: Members Posts: 149 Joined: 26-April 16 From: Australia Member No.: 19,935 Region Association: None |
Resurrecting an old thread.
If the 'correct' venting clearance is 0.004"is there any downside to a lesser clearance, such as adjusting each adjuster so the the relevant pad simply just 'kisses' the rotor, then backing it off very very very marginally to give minute clearance? (with hand brake cable disconnected of course). In other words, applying the spirit of the adjustment specification, if not the letter of the adjustment specification? Why do I ask? Well using with feeler gauges in that area is pretty fiddly and I'm not sure if in practice it is necessary. I understand the reasons for not having too big a clearance. Just touching then a tad loosened would seem to my mind to do the job. Yes? No? Thanks Dave O |
Krieger |
May 13 2018, 07:51 AM
Post
#19
|
Advanced Member Group: Members Posts: 4,754 Joined: 24-May 04 From: Santa Rosa CA Member No.: 2,104 Region Association: None |
Your wheel bearings have some play in them.
|
VaccaRabite |
May 13 2018, 09:24 AM
Post
#20
|
En Garde! Group: Admin Posts: 13,554 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
Dave,
.004 clearance is pretty minute. Literally, that's the same as the width of a piece of human hair. It would be hard to get that minute a measurement going off feel. Chances are you would have way too much clearance. Zach |
Lo-Fi Version | Time is now: 27th September 2024 - 12:49 PM |
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 ... |