How to replace and tension the drive belt on Audi 90?

First, take off the plastic cover in front of radiator on the five-cylinder engine models and next disconnect the battery negative lead. The second step is to loosen the alternator pivot and adjustment bolts and swing the alternator to the engine. In models with air conditioning and power steering, loosen the drivebelts of air conditioning and power steering and loosen the alternator drivebelt drivebelt before loosening the alternator drivebelt. Take off the old drivebelt off the pulleys and install the new drivebelt on the pulleys. Tensioning of drivebelt can be done in two ways, the first method is to turn the tensioner rack nut to push the alternator away on the engine until the deflection of the drivebelt halfway between the two pulleys is 2.0 mm (0.08 in) when a tight hand is applied or 5.0 mm (0.20 in) when refitting a used drivebelt. Insert the tensioner rack nut, tighten the adjustment bolt, the pivot and link bolts. The second technique needs a torque wrench; first, it is necessary to make sure that the pivot bolt is loose and the alternator is free to move. Tighten the 9.0 ± 1.0 Nm (6.6 ± 0.7 lbf ft) tensioner rack nut with the torque wrench this serves as the reference point of the alternator in relation to the adjustment link. Lastly, screw the pivot bolt and ensure that the rack nut is not displaced and use an open ended spanner to adjust the nut and then use a tightening bolt and in case needed the link bolt.

Genuine Audi 90 Drive Belt

Serpentine Belt

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8 Drive Belts found

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Audi 90 Alternator Belt Part Number: 054-903-137
$12.56 MSRP: $20.10
You Save: $7.54 (38%)
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Product Specifications
- Other Name: V-Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS
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Audi 90 Alternator Belt Part Number: 050-903-137
$20.84 MSRP: $27.79
You Save: $6.95 (26%)
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Product Specifications
- Other Name: V-Belt
- Replaces: 050-903-137-SBV, 026-903-137-C, 049-903-137-B
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90 | Base | 4 Cyl 2.0 L GAS
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Audi 90 A/C Belt Part Number: 034-260-849
$24.75 MSRP: $33.00
You Save: $8.25 (25%)
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Product Specifications
- Other Name: V-Belt; Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS
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Audi 90 Serpentine Belt Part Number: 078-903-137-P
$35.50 MSRP: $47.33
You Save: $11.83 (25%)
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Product Specifications
- Other Name: Ribbed Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1995 Audi 90 | Base, CS, S, Sport | 6 Cyl 2.8 L GAS
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Audi 90 A/C Belt Part Number: 026-260-849-A
$12.88 MSRP: $17.17
You Save: $4.29 (25%)
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Product Specifications
- Other Name: V-Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90 | Base | 4 Cyl 2.0 L GAS
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Audi 90 Power Steering Belt Part Number: 055-903-137-G
$13.13 MSRP: $17.50
You Save: $4.37 (25%)
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Product Specifications
- Other Name: V-Belt; Power Steering Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90 | Base | 4 Cyl 2.0 L GAS
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Audi 90 Power Steering Belt Part Number: 035-260-849-C
$14.63 MSRP: $19.50
You Save: $4.87 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: V-Belt; Power Steering Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS
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Audi 90 Water Pump Belt Part Number: 811-119-137
$17.11 MSRP: $22.81
You Save: $5.70 (25%)
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Product Specifications
- Other Name: V-Belt; Drive Belt
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90 | Base | 4 Cyl 2.0 L GAS

Audi 90 Drive Belt

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Audi 90 Drive Belt Parts and Q&A

A/C Belt
026-260-849-A
Q: How to replace and tension the drive belt on Audi 90?
A:
First, take off the plastic cover in front of radiator on the five-cylinder engine models and next disconnect the battery negative lead. The second step is to loosen the Alternator pivot and adjustment bolts and swing the alternator to the engine. In models with air conditioning and power steering, loosen the drivebelts of air conditioning and power steering and loosen the alternator drivebelt drivebelt before loosening the alternator drivebelt. Take off the old drivebelt off the pulleys and install the new drivebelt on the pulleys. Tensioning of drivebelt can be done in two ways, the first method is to turn the tensioner rack nut to push the alternator away on the engine until the deflection of the drivebelt halfway between the two pulleys is 2.0 mm (0.08 in) when a tight hand is applied or 5.0 mm (0.20 in) when refitting a used drivebelt. Insert the tensioner rack nut, tighten the adjustment bolt, the pivot and link bolts. The second technique needs a torque wrench; first, it is necessary to make sure that the pivot bolt is loose and the alternator is free to move. Tighten the 9.0 ± 1.0 Nm (6.6 ± 0.7 lbf ft) tensioner rack nut with the torque wrench this serves as the reference point of the alternator in relation to the adjustment link. Lastly, screw the pivot bolt and ensure that the rack nut is not displaced and use an open ended spanner to adjust the nut and then use a tightening bolt and in case needed the link bolt.