Infiniti Car 1998-05

Accessory Drive Belts 1

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Adjustment





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Fig. Drive belt tension check-G20

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Inspect belt tension at a point on the belt midway between the pulleys.
  4.  
  5. Check the tension using gauge BT3373-F or equivalent.
    NOTE
    Inspect the drive belt tension when the engine is cold.

  6.  



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Fig. Drive belt tension gauge positioning-G35



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Fig. Drive belt tension specifications-G35



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Fig. Drive belt tension check-I30



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Fig. Drive belt tension specifications (part one)-I30



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Fig. Drive belt tension specifications (part two)-I30

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Inspect belt tension at a point on the belt midway between the pulleys.
  4.  
  5. Check the tension using gauge BT3373-F or equivalent. Refer to the illustration for specifications.
    NOTE
    Inspect the drive belt tension when the engine is cold.

  6.  



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Fig. Drive belt tension check-I35



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Fig. Drive belt tension specifications-I35

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Inspect belt tension at a point on the belt midway between the pulleys.
  4.  
  5. Check the tension using gauge BT3373-F or equivalent. Refer to the illustration for specifications.
    NOTE
    Inspect the drive belt tension when the engine is cold.

  6.  

Belt tensioning is not necessary, as it is automatically adjusted by the auto tensioner. When a new drive belt is installed, the operating range should be in the -A- range.

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Fig. Drive belt tension observation points-M45 and 2002-2005 Q45



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Fig. Drive belt tension check-1998-2001 Q45

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Inspect belt tension at a point on the belt midway between the pulleys.
  4.  
  5. Check the tension using gauge BT3373-F or equivalent. Refer to the illustration for specifications.
    NOTE
    Inspect the drive belt tension when the engine is cold.

  6.  

A/C Compressor
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the undercover.
  4.  
  5. Loosen the idler pulley locknut (C) and adjust the tension by turning the adjusting bolt (D). Refer to the illustration for specifications.
  6.  
  7. Tighten the locknut (C) to 26 ft. lbs.
  8.  

Alternator And Power Steering Belt
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the undercover.
  4.  
  5. Loosen the idler pulley locknut (A) and adjust the tension by turning the adjusting bolt (B). Refer to the illustration for specifications.
  6.  
  7. Tighten the locknut (A) to 26 ft. lbs.
  8.  

Drive Belt Routings





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Fig. Accessory drive belt routing-2.0L engine with A/C



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Fig. Accessory drive belt routing-2.0L engine without A/C



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Fig. Accessory drive belt routing-3.0L engine with A/C



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Fig. Accessory drive belt routing-3.0L engine without A/C



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Fig. Accessory drive belt routing-4.1L engine



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Fig. Accessory drive belt routing-4.5L engine



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Fig. Accessory drive belt routing-2.0L engine with A/C



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Fig. Accessory drive belt routing-2.0L engine without A/C



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Fig. Accessory drive belt routing-3.0L engine with A/C



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Fig. Accessory drive belt routing-3.0L engine without A/C



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Fig. Accessory drive belt routing-4.1L engine



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Fig. Accessory drive belt routing-2.0L engine with A/C



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Fig. Accessory drive belt routing-2.0L engine without A/C



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Fig. Accessory drive belt routing-3.0L engine with A/C



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Fig. Accessory drive belt routing-3.0L engine without A/C



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Fig. Accessory drive belt routing-3.5L engine, I35



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Fig. Accessory drive belt routing-3.5L engine, G35



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Fig. Accessory drive belt routing-4.1L engine



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Fig. Accessory drive belt routing-4.5L engine

Inspection



Inspect the drive belt for signs of glazing or cracking. A glazed belt will be perfectly smooth from slippage, while a good belt will have a slight texture of fabric visible. Cracks will usually start at the inner edge of the belt and run outward. All worn or damaged drive belts should be replaced immediately.

 
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