Bill Grant Posted April 11 Report Share Posted April 11 (edited) Had a misfire on Bank 1 which I diagnosed to be an O2 sensor fault. Coil packs already replaced.... Anyway read all the horror stories about extraction and would offer the following advice:- 1. Get a 22mm or whatever size Lambda Sensor Full Hexagonal Socket tool for extraction - got mine from eBay 2. Spray the sensor every day for a week with WD40 One side came off peachy as the WD had penetrated the rust and loosened it nicely.... The other side needed just a tad blast with a blowtorch but it too gave up the ghost fairly easily. Point Worthy of Note: I replaced the injectors on my Sons Clio Diesel a couple of years ago. These are renowned for snapping because of corrosion. As above: a weeks soaking with WD40 penetrated the Corrosion and they came out like Butter... WD 40 is able to penetrate the porous corrosion and thereby loosen it. I wholeheartedly offer this as pragmatic and sound advice. If in doubt and before you start - soak for some days in advance, your patience WILL PAY DIVIDENDS ! I put Copper grease onto the threaded exhaust Colette as well as on the New Lambdas when refitting... Edited April 11 by Bill Grant Quote Link to comment Share on other sites More sharing options...
phazed Posted April 12 Report Share Posted April 12 Sound advice. I couldn’t remove my 22 year old lambda's, they were as one with the system but as I renewed the whole exhaust system, treated the car to a full set. Quote Link to comment Share on other sites More sharing options...
Paul P Posted April 12 Report Share Posted April 12 All good advice but I would suggest if you are getting “serious” with penetrating oil then plus gas, pb blaster (50/50 mix of acetone and atf - rebuilding a 50 year old Honda bike - it’s like magic ) or just plain “diesel” is a better option than wd40. That’s a jack of all trades “tool in a can” and it’s good but others are “great” but - it smells so good. 1 Quote Link to comment Share on other sites More sharing options...
DaveyP Posted April 14 Report Share Posted April 14 I'd agree. PlusGas all the way. This is indeed sound advice. For all sorts of rusted parts. Give them a good wire brushing first, and soak. Keep doing it. Then do it again. Well worth it. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.