Question about 2002 Audi A4

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AUDI A4 1.8 SE, Alarm goes off for no reason at all,

When i lock the car, all flashing lights seem to be in order, alarm goes off intermitently after a short time,, I have dis-connected the battery, so as not to disturb the neighbours, the car is a T reg, so im not to fussed about having an alarm, just dont want it going off all the time.

HELP !!!!

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  • 841 Answers

Check all door switch connections. I may be the not so obvious. The alarms work off of current sensors. If you open a door and the sensor detects a drain in current, such as the light coming on it will set off the alarm. Conversely if your battery is not holding a charge within certain range and the current drops, the alarm will think someone opened a door and will activate. Check for anything that might be putting a significant drain after the car is sitting.. Including your battery . Especially if it is old.

Posted on Dec 12, 2017

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  • Contributor
  • 9 Answers

Do you have a sun roof? Check the drain tubes and see if there plugged. The sun roof can clog and causes a waterleak under the front seats where your alarm module is located. Pull of the mats and look under the seats for any wetness or signs of corrosion.

Posted on Dec 12, 2017

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  • Contributor
  • 17 Answers

Faulty door status switches (integrated in the door lock) or hood switch. hard to figure out which ones are bad without a diagnostic tool

Posted on Dec 12, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

5LTRBTR
  • 196 Answers

SOURCE: Audi a3 1.9 tdi alarm keeps going off

this sounds like a faulty 'boot' switch. Many of the older models had issues with picky switches

Posted on Dec 18, 2008

bunnydawg
  • 5158 Answers

SOURCE: help my audi is jerking

the best i can find from the information i have is it's near the tank (not all that great information) be that as it may i would suggest it is likely a problem with the coil pack or you have water in your fuel. you haven't mentioned how it idles. to test the pack... just unplug one spark plug wire at a time ... if the engine idle doesn't change you have likely located the problem... if it is indeed water in your fuel... add a couple bottles of gas line antifreeze to your tank.... it contains alcohol and will **** up the water.

Robert

Please take a moment to rate this solution.. thanks

Posted on Feb 05, 2009

  • 1 Answer

SOURCE: audi a4 1.8t windows, interior light wing mirrors not working

Folks, Just found my problem ...... There's a flexible conduit (corrugated rubber sleeve) between the driver's door and the door arch which contains the wiring loom for the drivers door central locking/door speaker/electric windows/mirrors etc....discovered when I slipped off the sleeve that 4 cables in the wiring loom had broken due to repeated flexing when drivers door was opened/closed over the years (2001 Audi A4). Resoldered broken wires and insulated same....now working better than ever again ...ie dashboard back lighting seems brighter than it had been for some time? Also drivers door loudspeaker is back in action again (hadn't noticed that it had gone).
It's kinda difficult to reseat the rubber sleeving correctly after the repair job...will probably use some silicone sealant on the sleeve to ensure that there is no water ingress to wiring loom afterwards. I'm not too impressed with Audi design people after that, should have used cable that has a better flexibility rating (esp on drivers door!).

Paul.

Posted on Feb 22, 2009

  • 47 Answers

SOURCE: where do i find the starter motor in my audi a4 w reg

this is info i pulled but not sure exactly what engine you have...here are a couple though
REMOVAL & INSTALLATION



Fig. After the negative battery cable is disconnected, remove the wire terminals from the starter solenoid



Fig. Remove the lower starter mounting bolts . . .



Fig. . . . followed by the upper bolt, then remove the starter from the transaxle housing



0900c152800c2ab1.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Lower starter bolt locations-1994 2.0L, 2.0L ABA



0900c152800c2ab2.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Remove the upper starter bolts



Fig. Mark the location and length of each starter bolt

Fig. When the solenoid is energized the starter drive is pushed out and meshes with the flywheel to crank the engine

  1. Note the radio security code, and then disconnect the battery ground cable.
  2. Raise and safely support the front of the vehicle with jackstands.
  3. If installed, remove the lower engine shield.
NOTE
The engine must be supported on 1990-97 Passat models as the starter mounting bolts also support the engine-to-transmission mounting surface. If necessary, label the small wires before disconnecting them.

On 1990-97 Passat models:

  1. To support the weight of the engine and transaxle, install the engine support Tool Nos. 10-222A and 10-222A/1, or use a floor jack (with a block of wood on the chock) to support the engine by the oil pan. Do NOT jack the car by the oil pan under any circumstances! The floor jack is ONLY to support the engine while the starter is being removed. This is necessary because the bolts that secure the starter to the transaxle are also used to secure the front engine mount to the transaxle.
  2. Disconnect the large cable, which is the positive battery cable, from the solenoid.
  3. If equipped, remove the bracket that secures the starter to the engine. On Audi A4 and 1998-00 Passat models:

Release the number 50 electrical connector from the starter.

  1. Then remove the nut for the large battery cable and remove the cable.
  2. Loosen then remove the clamp that secures the heat shield to the starter.
  3. Remove the fasteners securing the bracket at the front of the starter and remove the bracket.

Remove the starter mounting bolts, while supporting the weight of the starter.

  1. Pull the starter straight out from the transaxle. To install:
NOTE
On vehicles with a manual transaxle, there is a bushing where the starter shaft fits into the bell housing. If the shaft or bushing is worn or if the starter has been jamming, the bushing should be replaced. There is a special bushing removal tool available but a small inside bearing removal tool is usually sufficient.
Install the starter into the transaxle.

  1. Tighten the related starter motor fasteners as follows:
  2. Starter support bracket, M5 nut: 35 inch lbs. (4 Nm)
  3. Starter support bracket, M8: 16 ft. lbs. (22Nm)
  4. Battery cable to solenoid, M8 nut:10 ft. lbs. (13Nm)
  5. hydraulic hose support bracket, M8: 84 inch lbs. (10Nm)
  6. Starter mounting fasteners, M10: 44 ft. lbs. (60 Nm)
  7. Starter mounting fasteners, M12: 48 ft. lbs. (65 Nm)
  8. The balance of the installation is in reverse order of removal
Check out these third-party site for more info. Yeah, we're nice like that.
AUTOBATTERIES.COM
GILAFILM.COM-->

Posted on Jul 09, 2009

  • 32 Answers

SOURCE: My audi a4 is blowing out cold air even when the

heater core clogged or heater valve

Posted on Jan 07, 2010

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