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ENGINE MAINTENANCE MA-13 C D E F G H I J K M A B MA Revision: 2004 November 2004 Murano ENGINE MAINTENANCE PFP:00000 Checking Drive Belts ALS000DE WARNING: Be sure to perform when the engine is stopped. Inspect belts for cracks, fraying, wear and oil. If necessary, replace. 2. Inspect drive belt deflection or tension at a point on belt midway ● Inspection should be done only when engine is cold, or over ● Measure belt tension with tension gauge (BT3373-F or equiv- ● When measuring deflection, apply 98 N (10 kg, 22 lb) at the ● Adjust if belt deflection exceeds the limit or if belt tension is CAUTION: ● When checking belt deflection or tension immediately after installation, first adjust it to the ● Tighten idler pulley lock nut by hand and measure deflec- Belt Deflection and Tension *: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on the belt. Tension Adjustment ALS000DF CAUTION: ● When belt is replaced with a new one, adjust it to value for “New belt” to accommodate for insuffi- PBIC2449E PBIC1162E Deflection adjustment Unit: mm (in) Tension adjustment* Unit: mm (in) Used belt New belt Used belt New belt Limit After adjustment Limit After adjust- ment Alternator and A/C 7 (0.28) 4.2 - 4.6 3.7 - 4.1 294 (30, 66) 730 - 818 (74.5 - 83.5, 164 - 184) 838 - 926 (85.5 - 94.5, 188 - 208) Power steering oil 11 (0.43) 7.3 - 8 6.5 - 7.2 196 (20, 44) 495 - 583 (50.5 - 59.5, 111 - 131) 603 - 691 (61.5 - 70.5, 135.6 - 155.4) Applied pushing 98 N (10 Kg, 22 lb) — Portion Belt tightening method for adjustment Power steering oil pump belt Adjusting bolt on power steering oil pump Alternator and air conditioner compressor belt Adjusting bolt on idler pulley |