Top up with coolant, reinstall intake/engine cover and clear fault codes if you have them (I didnt). Take plug off old sensor with a flat head screwdriver.
Install new sensor and secure in place with new retaining clipĨ. Mine didn't and I had to fumble around to find it with coolant going everywhere.ħ. Hopefully at this point the old O-ring comes out with the sensor you're replacing. The 4-level air suspension system in the allroad quattro is a logical development of the self-levelling system in the Audi A6. NOTE: Do not leave the key on prior to the cold start or the oxygen sensor (O2S) heater monitor may not run. An explanation of each step is provided below. Have the new temp sensor with O-ring on it ready to install in one hand and pull out the old temp sensor with the other.Ĭoolant will pour out everywhere as soon as you pull out the sensor.Ħ. The Audi OBD-II drive cycle is an eight-step process. Push the retaining clip off the sensor towards the engine bay firewall.ĥ.
Audi A6 100 Complete Workshop Service Repair Manual 1991 1992 1993. 1994 Audi A6 (C4-4A) Service and repair Manual. Complete list of Audi A6 auto service repair manuals: Audi A6 C5 1998-2004 Workshop Repair Service Manual PDF.
Put your fingers around the side of the sensor about half way down it towards the engine block and Motor Era offers service repair manuals for your Audi A6 - DOWNLOAD your manual now Audi A6 service repair manuals. Locate temp sensor on right side of engine blockĤ. This generic powertrain/engine diagnostic trouble code typically applies to all OBDII equipped engines, but shows up more often in certain Audi, BMW, Chrysler. Flange designed to match the factory shape of the sensor. 1/4' aluminum honeycomb air straightener screen. MAF Housing with air straightener engineered to fit 2001-2006 Audi B6 A4 & Audi TT mass air flow sensors.
Take off coolant reservoir cap (de-pressurises the coolant system a little im told)ģ. Audi, B5, C6, A4, S4, A6, S6, A8, S8, 4.2l, 1.8l, Quattro, TT, Allroad.
The computer uses this input, along with other in-car temperature sensors, to. Retaining Clip (Can re-use old one, but worth getting a new one just in case you break it)Ģ. The NTC sensors resistance decreases as the outside air temperature increases. This is a little walk through I did on another site for the 2.0T FSI.