Notices
ScoobyNet General General Subaru Discussion

Knocklink & Sensor

Thread Tools
 
Search this Thread
 
Old 25 December 2007 | 07:44 PM
  #1  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default Knocklink & Sensor

I recieved one from Santa today

The instructions seem quite easy to install it.

Just a few things i couldnt find on the search function

1.) Where to fit the Sensor, now what i did find out was, there is a hole on the near side under the IC, but what i couldnt find was a pic, just so i could make sure i get the correct bit.

2.) The correct torque setting for the Sencor, dont wanna over tighten and crush the crystals inside, and at the same time, i dont want to under tighten it and it either work its self loose OR give off a false reading.

3.) Best setting to have it on Min-Max

All help would be much appreated, werther its a link to a thread i couldnt find or just the info im after.

Thanks all, and a Merry Christmas to everybody too
Old 25 December 2007 | 11:30 PM
  #2  
W.R.X.'s Avatar
W.R.X.
BANNED
 
Joined: Dec 2007
Posts: 94
Likes: 0
Default

Set it until you don't get a RED light whatever happens and there you go, as far as I understand it.

Enjoy your device - it can do magical things I've seen it called a 'cockLink' on this site over many years for some reason?
Old 26 December 2007 | 12:44 AM
  #3  
bootsy's Avatar
bootsy
Scooby Regular
 
Joined: Sep 2005
Posts: 2,996
Likes: 0
From: Empty your mind. Be formless, shapeless. Like water.
Default

yes pete you do call them cocklinks
Old 26 December 2007 | 12:53 AM
  #4  
W.R.X.'s Avatar
W.R.X.
BANNED
 
Joined: Dec 2007
Posts: 94
Likes: 0
Default

I thought the name was pretty much Universal?
Old 26 December 2007 | 11:54 AM
  #5  
postie90's Avatar
postie90
Scooby Regular
 
Joined: Jul 2007
Posts: 765
Likes: 0
Default

can some one tell me whats the knocklink for? i just dont get it!!!
Old 26 December 2007 | 11:54 AM
  #6  
postie90's Avatar
postie90
Scooby Regular
 
Joined: Jul 2007
Posts: 765
Likes: 0
Default

i must be dumb!!
Old 26 December 2007 | 02:53 PM
  #7  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default

Have we got any more info in this please?

A knocklink shows you when you are getting Knock
Old 26 December 2007 | 03:31 PM
  #8  
postie90's Avatar
postie90
Scooby Regular
 
Joined: Jul 2007
Posts: 765
Likes: 0
Default

knock??? what is knock thanks?
Old 26 December 2007 | 04:40 PM
  #9  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default

Pre-detination
It means the explosion happens before the piston reaches the top of its stroke.
So what happens is the crank turns and pushes the piston up BUT Pre-det happens and trys to push the piston down while the crank is trying to push it up still.
It causes unescary pressure on the crank and can cause bottom end failure
Old 26 December 2007 | 09:50 PM
  #10  
WhiteNoise's Avatar
WhiteNoise
Scooby Regular
 
Joined: Aug 2007
Posts: 66
Likes: 0
From: Banstead
Default

To set corectly you need to drive the car three quarter power ie 5000 rpm and turn the sensitivity untill the first,second led flashes and no others.Then take to redline and you should see only green ones flash,but on change of gear you may get the orange ones flash momentarily if driveing hard.this is how i done my one and this is from my experiance and i never had any engine damage so i think you will be fine doing it this way,best of luck mate
Old 27 December 2007 | 01:14 AM
  #11  
pslewis's Avatar
pslewis
Scooby Regular
 
Joined: Jun 2000
Posts: 32,398
Likes: 1
From: Old Codgers Home
Default

Remember that Subaru provide a Knock Sensor ...... it is connected to the ECU of the vehicle and operates at many times a second to protect the engine.

Subaru see no need for likkle flashing lights to tell you what the knock sensor is seeing - no need, the ECU can alter timing much faster by not informing the driver.
Old 27 December 2007 | 03:20 AM
  #12  
bootsy's Avatar
bootsy
Scooby Regular
 
Joined: Sep 2005
Posts: 2,996
Likes: 0
From: Empty your mind. Be formless, shapeless. Like water.
Default

maybe he would like to make his own mind up about Knocklinks
Old 27 December 2007 | 12:07 PM
  #13  
postie90's Avatar
postie90
Scooby Regular
 
Joined: Jul 2007
Posts: 765
Likes: 0
Default

sounds very complicated!!! and if there is allready one.... why have flashing lights?
Old 27 December 2007 | 06:00 PM
  #14  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default

The standard knock link dont work after 5.5k rpm
When driving hard, my revs drop down to 6.5k rpm on gear change
Old 27 December 2007 | 06:06 PM
  #15  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default

I still need the Torque setting for the knock sensor....
Old 28 December 2007 | 11:55 AM
  #16  
alcazar's Avatar
alcazar
Scooby Regular
iTrader: (2)
 
Joined: Jun 2002
Posts: 40,781
Likes: 27
From: Rl'yeh
Default

Originally Posted by Phildodd06
I still need the Torque setting for the knock sensor....
Mines been on for three years. I installed it myself. Tighten finger tight, then nip it up about half a turn, which is plenty.

Sorry, I work in plumber's torque, not engineers

Alcazar
Old 28 December 2007 | 01:10 PM
  #17  
Dracoro's Avatar
Dracoro
Scooby Regular
 
Joined: Sep 2001
Posts: 10,261
Likes: 0
From: A powerslide near you
Default

Originally Posted by Phildodd06
The standard knock link dont work after 5.5k rpm
When driving hard, my revs drop down to 6.5k rpm on gear change
So what do you do with the information that there is knock?

At over 5.5k rpm you're about to change up very quickly anyway so revs are about to drop. If it flashes, do you take it to a mechanic? Do you stop driving it over 5.5k rpm? What?
Old 28 December 2007 | 04:37 PM
  #18  
Phildodd06's Avatar
Phildodd06
Thread Starter
Scooby Regular
 
Joined: Feb 2007
Posts: 1,172
Likes: 0
Default

Thanks Alcazar, I'm just abit paranoid about damiging this over priced pice of kit lol

What i was saying before, when i change gear at 8k rpm, my revs drop down to a min of 6.5k rpm, which means my standard knock sensor isnt in use.
However with the Knock link if it lights up whilst im spanking it, i know to shut off the throttle, and to get it checked out.
With out it, i wont know the engine is knocking, and end up damaging the engine, which cost me alot more money in repair bills.
Old 28 December 2007 | 05:45 PM
  #19  
The Rig's Avatar
The Rig
Scooby Regular
iTrader: (13)
 
Joined: Dec 2002
Posts: 7,883
Likes: 8
Default

i fitted my knock sensor purely for the info given back to me on good/bad fuel.

theres been times where ive fitted tesco stuff and get nothing but knock, shell stuff,hardly ever,but have a little at times.

if i was ever stuck and 95/97 ron was the only stuff about theknock link will tell us if its good/bad etc knocking etc

thats why i fitted mine
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Mattybr5@MB Developments
Full Cars Breaking For Spares
28
29 December 2015 12:07 AM
Mattybr5@MB Developments
Full Cars Breaking For Spares
12
18 November 2015 08:03 AM
Ganz1983
Subaru
5
02 October 2015 10:22 AM
thunder8
General Technical
0
01 October 2015 10:13 PM




All times are GMT +1. The time now is 09:15 AM.