SOLVED - HELP! - remove or drill out MPS Full Load Stop Screw, Arrrgh!!! |
|
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. |
|
SOLVED - HELP! - remove or drill out MPS Full Load Stop Screw, Arrrgh!!! |
jrmdir |
Oct 23 2021, 08:43 AM
Post
#1
|
Member Group: Members Posts: 224 Joined: 13-May 21 From: Central Ohio Member No.: 25,544 Region Association: Upper MidWest |
I rebuilt my 1.7 MPS a while back and am now looking to calibrate it. I followed pbanders' screw removal advice religiously and simply cannot get the screw out. I got it to break loose and now turns 90 degrees but farther than that - no way! All epoxy is gone and I have used a lot of heat, penetrating oil and patience. Even bought a 5/8" wide drag link bit that fit the slot perfectly, but even with a 1/2" drive breaker bar it won't budge. Got so frustrated I even tried my impact screwdriver and a hammer.
I'd hoped to get this done without taking the MSP apart again, but it seems that drilling it out may be the best last resort. I have the replacement screw from the TR tuning kit but am afraid the fine threads in the hole will be easy to mess up if I try to cut the old one out. Would appreciate any ideas or techniques that have worked for others. Thanks, Ron |
JeffBowlsby |
Oct 23 2021, 08:53 AM
Post
#2
|
914 Wiring Harnesses Group: Members Posts: 8,663 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None |
The outer screw should have been removed during the initial rebuild, this is now out of sequence.
Heat, heat heat. Epoxy permeates down into the threads. Heat is the only method. And you will likely cook the gasket around the diaphragm requiring that work to be redone. The outer screw should be removed by screwing it into the case not out of the case. You may also need to chase the threads with the correct tap to clean them. |
Lo-Fi Version | Time is now: 26th September 2024 - 05:20 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 ... |