Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1998A4 AVANT QUATTRO, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 16 (AUTOMATIC A/C-HEATER SYSTEMS)TORQUE SPECIFICATIONS
1998 Audi A4 Avant Quattro, Automatic
Torque Specifications
1998 Audi A4 Avant Quattro, AutomaticSECTION Torque Specifications
WARNING: This page is about a different car, the 2001 Audi S4, 2001 Audi A4, 2000 Audi S4, and 2000 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |||||
|---|---|---|---|---|---|---|
| A/C Compressor Bolts | 18 (25) | |||||
| A/C Compressor Bracket Bolts | 18 (25) | |||||
| A/C Compressor High Pressure Connection | 22 (30) | |||||
| A/C Compressor Low-Pressure Connection | 30 (40) | |||||
| Accumulator Lines | 30 (40) | |||||
| Belt Tensioner (4-Cylinder) | (1) 15 (20) | |||||
| Condenser | ||||||
| Inlet Line | 22 (30) | |||||
| Outlet Line | 11 (15) | |||||
| Refrigerant Line Clamp Bolt | 11 (15) | |||||
| Steering Wheel Nut | 30 (40) | |||||
| INCH Lbs. (N.m) | ||||||
| A/C Compressor Speed Sensor | 44 (5) | |||||
| A/C-Heater Control Panel | 44 (5) | |||||
| Air Bag Module Screws | 53 (6) | |||||
| Center Console Bolts | 44 (5) | |||||
| Center Console Nut | ||||||
| Front | 31 (3.5) | |||||
| Rear | 89 (10) | |||||
| Center Instrument Panel Trim Screws | 31 (3.5) | |||||
| Compressor Drain Plug | 89 (10) | |||||
| High-Pressure Cut-Out Switch (2) | 44 (5) | |||||
| High-Pressure Relief Valve | 89 (10) | |||||
| High Pressure Switch (2) | 44 (5) | |||||
| Low-Pressure Switch (2) | 44 (5) | |||||
| Stowage Compartment Screws | 44 (5) | |||||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.