1998 Audi CabrioletFACTORY OEM SERVICE PROCEDURE

Engine Controls - Specifications: Capacities

CAUTION: When battery is disconnected, radio will go into anti-theft protection mode. Obtain radio anti-theft protection code from owner prior to servicing vehicle.
BATTERY SPECIFICATIONS

Application Amp Hr. Rating
A4 70
Cabriolet 63
FLUID CAPACITIES

Application Quantity
Crankcase (Includes Filter)
1.8L Turbo 4.3 Qts. (4.0L)
2.8L 5.3 Qts. (5.0L)
Cooling System (Includes Heater)
A4 6.9 Qts. (6.5L)
Cabriolet 11.6 Qts. (11.0L)
Automatic Transmission
Initial Fill
A4
1.8L Turbo (1)
2.8L (2) 9.25 Qts. (8.8L)
Cabriolet (3) 5.7 Qts. (5.4L)
Fluid Change
A4
1.8L Turbo (1)
2.8L (2) (4) 2.7 Qts. (2.6L)
Cabriolet (5)
Final Drive (Differential)
Front Differential
Initial Fill
A4 (SAE 75W-90 Synthetic)
1.8L Turbo (1)
2.8L .84 Qt. (.8L)
Cabriolet (SAE 75W-90) 1.1 Qts. (1.0L)
Fluid Change
A4 (SAE 75W-90 Synthetic)
1.8L Turbo (1)
2.8L .79 Qt. (.75L)
Cabriolet (SAE 75W-90) (5)
Center Differential
Initial Fill (SAE 75W-90 Synthetic)
A4 Quattro
1.8L Turbo (1)
2.8L (1)
Fluid Change (SAE 75W-90 Synthetic)
A4 Quattro
1.8L Turbo (1)
2.8L .79 Qt. (.75L)
Rear Differential
Initial Fill (SAE 90W)
A4 Quattro
1.8L Turbo (1)
2.8L 2.0 Qts. (1.9L)
Fluid Change (SAE 90W)
A4 Quattro
1.8L Turbo (1)
2.8L 1.9 Qts. (1.8L)
Manual Transmission (SAE 75W-90 Synthetic)
A4 (Except Quattro)
1.8L Turbo (1)
2.8L 2.4 Qts. (2.3L)
A4 Quattro
1.8L Turbo (1)
2.8L 2.9 Qts. (2.7L)
(1) Information is not available.
(2) Use fluid ESSO EGL 71141. Color is Yellow. DO NOT use additives.
(3) Use fluid part No. G-052-162-A2. Color is Yellow/Gold. DO NOT use additives.
(4) Fluid change capacity is up to 3.7 qts. if pan is removed.
(5) Fluid change is not recommended by manufacturer.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.