1998 Audi A3 First generation Engine Fastener Tightening Specifications
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Condition | Value |
---|
All Audi diesel straight-4 1.9 L AGR engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L AHF engines | 16.23 lbf⋅ft |
All Audi diesel straight-4 1.9 L ALH engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L ASV engines | 16.23 lbf⋅ft |
All other modifications | 7.38 lbf⋅ft |
Auxiliary drive belt tensioner | 18.44 lbf⋅ft |
Air-conditioning compressor | 33.19 lbf⋅ft |
Air-conditioning compressor bracket | 33.19 lbf⋅ft |
Air-conditioning compressor pressure line | 14.75 lbf⋅ft |
Alternator | 18.44 lbf⋅ft |
Power steering pump bracket | 33.19 lbf⋅ft |
Servo pump pulley | 18.44 lbf⋅ft |
Servo steering pump | 18.44 lbf⋅ft |
All other modifications | 14.75 lbf⋅ft |
Otherwise | 16.23 lbf⋅ft |
Use new seals. | |
Support | 7.38 lbf⋅ft |
All other modifications | 16.23 lbf⋅ft |
Use new seals. |
Injection hoses | 18.44 lbf⋅ft |
All other modifications | 14.75 lbf⋅ft |
Injection pump | 22.13 lbf⋅ft |
First stage | 14.75 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
Otherwise | 18.44 lbf⋅ft |
Charge air pipes | 7.38 lbf⋅ft |
Nuts | 18.44 lbf⋅ft |
Replace nuts. | |
Screws | 22.13 lbf⋅ft |
Replace screws. |
Nuts | 18.44 lbf⋅ft |
Replace nuts. | |
Screws | 22.13 lbf⋅ft |
Replace screws. |
On exhaust manifold | 25.81 lbf⋅ft |
Replace screws. Use hot screw paste. |
At the turbocharger | 18.44 lbf⋅ft |
On the engine block | 29.5 lbf⋅ft |
At the turbocharger | 18.44 lbf⋅ft |
On the engine block | 29.5 lbf⋅ft |
At the turbocharger | 33.19 lbf⋅ft |
On the engine block | 18.44 lbf⋅ft |
Banjo screws | 25.81 lbf⋅ft |
Replace sealing rings. |
Banjo screws | 25.81 lbf⋅ft |
Replace sealing rings. |
At the oil filter | 18.44 lbf⋅ft |
At the turbocharger | 16.23 lbf⋅ft |
Support | 7.38 lbf⋅ft |
At the oil filter | 18.44 lbf⋅ft |
At the turbocharger | 16.23 lbf⋅ft |
Support | 7.38 lbf⋅ft |
Banjo screws | 22.13 lbf⋅ft |
Replace sealing rings. |
On the engine block | 29.5 lbf⋅ft |
Use new seals. |
On the engine block | 29.5 lbf⋅ft |
Use new seals. |
All other modifications | 7.38 lbf⋅ft |
Replace sealing rings. |
Coolant pump | 11.06 lbf⋅ft |
Fan wheel | 7.38 lbf⋅ft |
All other modifications | 11.06 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AEH engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L AGR engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L AHF engines | 14.75 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AKL engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L ALH engines | 14.75 lbf⋅ft |
All Audi gasoline straight-4 1.6 L APF engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L ASV engines | 14.75 lbf⋅ft |
All other modifications | 7.38 lbf⋅ft |
First stage | 29.5 lbf⋅ft |
Use new screws. | |
Second stage | 44.25 lbf⋅ft |
Third stage | 90° |
Fourth stage | 90° |
First stage | 29.5 lbf⋅ft |
Use new screws. | |
Second stage | 44.25 lbf⋅ft |
Third stage | 90° |
Fourth stage | 90° |
First stage | 29.5 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
Third stage | 90° |
All other modifications | 4.53 in |
First stage | 14.75 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
Valve cover | 7.38 lbf⋅ft |
Tighten the screws cross-wise from inside to outside. |
First stage | 22.13 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
First stage | 66.38 lbf⋅ft |
Use new screw. | |
Second stage | 90° |
First stage | 88.51 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
First stage | 88.51 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
First stage | 66.38 lbf⋅ft |
Replace bolt. | |
Second stage | 90° |
Class 10.9 | 29.5 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 7.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 7.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
M8 screws (class 10.9) | 29.5 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 29.5 lbf⋅ft |
Replace screws. | |
Second stage | 44.25 lbf⋅ft |
Third stage | 90° |
Engine block closure screws | 73.76 lbf⋅ft |
First stage | 66.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
With pot flywheel | 14.75 lbf⋅ft |
First stage | 44.25 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
Flywheel cover | 7.38 lbf⋅ft |
First stage | 29.5 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
First stage | 47.94 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
Class 10.9 | 29.5 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Second stage | 90° |
First stage | 7.38 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
Camshaft adjuster | 7.38 lbf⋅ft |
First stage | 29.5 lbf⋅ft |
Replace nuts. | |
Second stage | 90° |
M8 | 14.75 lbf⋅ft |
Nuts | 16.23 lbf⋅ft |
First stage | 29.5 lbf⋅ft |
Replace nuts. | |
Second stage | 90° |
M8 | 14.75 lbf⋅ft |
Nuts | 16.23 lbf⋅ft |
All other modifications | 18.44 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AEH engines | 73.76 lbf⋅ft |
All Audi diesel straight-4 1.9 L AGR engines | 33.19 lbf⋅ft |
All Audi diesel straight-4 1.9 L AHF engines | 33.19 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AKL engines | 73.76 lbf⋅ft |
All Audi diesel straight-4 1.9 L ALH engines | 33.19 lbf⋅ft |
All Audi gasoline straight-4 1.6 L APF engines | 73.76 lbf⋅ft |
All Audi diesel straight-4 1.9 L ASV engines | 33.19 lbf⋅ft |
All other modifications | 47.94 lbf⋅ft |
All Audi gasoline straight-4 1.8 L AGN engines | 12.54 lbf⋅ft |
All Audi gasoline straight-4 1.8 L APG engines | 12.54 lbf⋅ft |
All other modifications | 11.06 lbf⋅ft |
Oil pump drive chain tensioner | 11.8 lbf⋅ft |
do not dismantle |
Center | 7.38 lbf⋅ft |
Use screw-locking compound. | |
Bottom | 7.38 lbf⋅ft |
Use screw-locking compound. |
Toothed belt guard at the bottom | 7.38 lbf⋅ft |
Use screw-locking compound. | |
Toothed belt guard at the top | 7.38 lbf⋅ft |
Toothed belt guard center | 7.38 lbf⋅ft |
Use screw-locking compound. |
All Audi gasoline straight-4 1.6 L AEH engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L AGR engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L AHF engines | 14.75 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AKL engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L ALH engines | 14.75 lbf⋅ft |
All Audi gasoline straight-4 1.6 L APF engines | 14.75 lbf⋅ft |
All Audi diesel straight-4 1.9 L ASV engines | 14.75 lbf⋅ft |
All other modifications | 19.91 lbf⋅ft |
Oil cooler | 18.44 lbf⋅ft |
Oil drain plug | 22.13 lbf⋅ft |
First stage | 11.06 lbf⋅ft |
Use new screws. | |
Second stage | 90° |
tighten gradually cross-wise | |
Cap | 18.44 lbf⋅ft |
First stage | 14.75 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 14.75 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
All other modifications | 16.23 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AEH engines | 11.06 lbf⋅ft |
Gradually tighten screws crosswise. | |
All Audi gasoline straight-4 1.6 L AKL engines | 11.06 lbf⋅ft |
Gradually tighten screws crosswise. | |
All Audi gasoline straight-4 1.6 L APF engines | 11.06 lbf⋅ft |
Gradually tighten screws crosswise. |
At the gearbox | 33.19 lbf⋅ft |
On the engine block | 11.06 lbf⋅ft |
Gradually tighten screws crosswise. |
Charge air pressure sensor | 3.69 lbf⋅ft |
Glow plugs | 11.06 lbf⋅ft |
Knock sensor | 14.75 lbf⋅ft |
Lambda sensor | 40.57 lbf⋅ft |
Engine bracket | 33.19 lbf⋅ft |
On chassis | 36.88 lbf⋅ft |
On engine bracket | 73.76 lbf⋅ft |
Use new screws. | |
Strut | 18.44 lbf⋅ft |
On chassis | 36.88 lbf⋅ft |
On engine bracket | 73.76 lbf⋅ft |
Use new screws. | |
Strut | 18.44 lbf⋅ft |
First stage | 29.5 lbf⋅ft |
Use new screw. | |
Second stage | 90° |
First stage | 44.25 lbf⋅ft |
Use new screw. | |
Second stage | 90° |
Strut | 18.44 lbf⋅ft |
First stage | 14.75 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 29.5 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
Exhaust manifold | 22.13 lbf⋅ft |
Replace seals and nuts. | |
Exhaust manifold heat shields | 16.96 lbf⋅ft |
Replace nuts. |
All Audi diesel straight-4 1.9 L AGR engines | 16.96 lbf⋅ft |
Replace nuts. | |
All Audi diesel straight-4 1.9 L AHF engines | 16.96 lbf⋅ft |
Replace nuts. | |
All Audi diesel straight-4 1.9 L ALH engines | 16.96 lbf⋅ft |
Replace nuts. | |
All Audi diesel straight-4 1.9 L ASV engines | 16.96 lbf⋅ft |
Replace nuts. |
At the turbocharger | 29.5 lbf⋅ft |
Replace seals and nuts. |
Exhaust pipe bracket | 16.96 lbf⋅ft |
Fuel filter bracket | 7.38 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AEH engines | 18.44 lbf⋅ft |
All Audi gasoline straight-4 1.6 L AKL engines | 18.44 lbf⋅ft |
All Audi gasoline straight-4 1.6 L APF engines | 18.44 lbf⋅ft |
All other modifications | 22.13 lbf⋅ft |
M12 × 140 screws | 59 lbf⋅ft |
M12 × 150 screws | 59 lbf⋅ft |
M12 × 150 screws | 59 lbf⋅ft |
M10 | 33.19 lbf⋅ft |
M12 | 47.94 lbf⋅ft |
M8 | 14.75 lbf⋅ft |
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 Audi A3 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.
Table of Contents
- Air Conditioning Compressor Oil Capacity
- Air Conditioning Refrigerant Capacity
- Automatic Transmission Fluid Capacity
- Axle Oil Capacity
- Brake Fluid Capacity
- Cooling Fluid Capacity
- Diagnostic Values
- Engine Oil Capacity
- Fluid and Lubricant Specifications
- Manual Transmission Oil Capacity
- Steering Fluid Capacity
- Brake System Specifications
- Chassis Specifications
- Cooling System Specifications
- Drive Belts Specifications
- Electrical System Specifications
- Emission
- Engine Fastener Tightening Specifications
- Front Suspension Fastener Tightening Specifications
- Rear Suspension Fastener Tightening Specifications
- Transmission Fastener Tightening Specifications
Conquer your fears and never give up!
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A3 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 1998 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.