20 Most Recent 2004 Audi A4 - Page 2 Questions & Answers

not sure if this link will help you out but have a look.. instructions on how to change the engine oil on 2004 Audi A4 3 0 Google...

Check for vacuum/intake leaks. Do It Yourself Diagnosis and Repair

take it to a technician, these can only be serviced with a system flush unit.

You just go to the link I attached I'm sure you will get the solution of your problem 2004 Audi A4 Workshop Repair Service Manual PDF Download

The seller is cheating you. We do not have these codes. The codes are used to deter theft and resale, and you have become a victim, sorry.

um, clunking brakes when braking after you repaired them? EMERGENCY PROCEDURE REQUIRED Have the car towed to a reputable shop. Your brake pads or calipers or wheel are coming apart. they could fail while driving. This is likely very serious. Hopefully, it is just the anti rattle clips not holding the pads in place but do not chance it. Also, consider a mobile mechanic

need to have diagnosed can be anything from rough running engine to front end problem to transmission with information given

The mechanic is yanking your chain and the following links will explain why cats fail http://www.ebay.co.uk/gds/Reasons-for-catalytic-converter-failure-/10000000002803746/g.html Audi A4 catalytic converter CHECK FOR PROBLEMS your mechanic can replace cats every couple of weeks or months depending on your driving style or he can repair the faults causing the cats to fail

The fuel pump takes a couple seconds to get up enough pressure. If it takes longer than that, maybe your filter is clogged. They get full of rust. Sometimes the car stumbles on heavy load, or won't even run above idle, but yours could be a mild case. Pulling the pump out can be a big job, so try the filter first.

goodyear are tyre mechanics water in the oil is from a hole in the housing (aluminium timing chain cover ) behind the water pump impeller or problem head before anything was replaced , a compression test should have been done to determine the condition of the head and head gasket next a coolant pressure test should have been done to determine if there was a leak in the cooling system ( the housing crack would have been obvious at the test water pumps always work if there is water for them to work in and only need replacing if there is a water leak from a hole in the housing ( seal failure ) or there is a failed bearing noise I could suggest that you find an accredited professional service center that has experience on your make of car and get a proper diagnosis before you waste any more time and money on tire mechanics

I assume u have been maintaining your oil & the proper amount is in the motor. If so it may be an oil pressure switch going bad. The oil switch must be replaced.It is mounted on the side of the engine block w a wire connector to it. Google exact location