Need some help with were to buy a knock sensor

[Danihellfire]

hello all, i need a new knock sensor for my B4 1999 TT, does someone know how much they cost ?? and were to get it done in Auckland.

[Durty-Sanchez]

I got mine for $105 from Subaru, that was with a discount though.. usually they're $151 I think. Try pick-a-part, or they look fairly generic so a knock sensor from another make might be ok. They're a bastard to get to..

[Guest]

hi you need to get the right one for your model as the plugs are different.

call 0800subaru for your local supplier. i think they are around $150.

not much fun to replace tho.

you,l need alot of coins for the swear jar

[Guest the_return_of_the_jedi]

pick a part has heaps of them

[Guest boostin]

They're such a prick to replace, so don't risk fitting a secondhand one. Go new.

[Treecrusher]

Yea I bought one for a bh legacy a couple of months ago. Cost me $138 including GST from Subaru dealer.

Hope you've got a good wobble bar and some decent patients, but you can do it without removing the manifold (some people recommend removing it!).

And just when you think the hard bit is done, you have to get that f*cking intercooler back on. What a b*tch of a thing that is.

[Durty-Sanchez]

Should have taken some photos when doing the knock sensor today (big thanks to a mate of mine who did all the work). Here's a happysnap of the audio coming through my knock sensor before the swap. You'll see those big noisey spikes (sounded like I had water in my ears).. that was how crapped it was, was sending the ECU nuts and setting the CE light/retarding timing.

Might do an after shot too that shows the difference.. In any case, remove the I/C and the two bolts that hold the heaterhose/ICV hoses on. You'll need a 12mm socket, bendy bit, and extension.. and crap loads of patients. Be careful not to thread the bolt when putting it back in, you'll need it to be on an angle as you start to feed it in as the intake pipe prevents it from being 100% vertical. G'luck!

[Hailz]

With something as bad as above ^^^ did it bring up a code in the computer at all?

[Durty-Sanchez]

Not at the time the recording was taken.. sometimes it got so bad that it did throw a CEL while driving, otherwise the error code remained in memory. Those blips you see there caused the ECU to throw a huge WTF and 'tard the timing for safety

[Danihellfire]

Thanks alot guys ;D ;D called up subaru it $185 all up. I'm getting my mate to do it for $50.00 as he worked for subaru oversea's....

[Danihellfire]

O yea is it worth putting a Blow off valve on a auto??

[Durty-Sanchez]

Probably not.. but it is worth replacing the factory BOV as it tends to leak after a while. Replaced my 15yr old unit and gained 3-4psi. It wont whistle at the skanks the same as a manual would though (if atmos venting)

[Guest the_return_of_the_jedi]

 Danihellfire said:

O yea is it worth putting a Blow off valve on a auto??

bahah no.. ;D

oh and dont tighten the sensor too much or it will crack