Use a wrench to relieve the preasure off of the belt then remove the belt and replace it using the schematic on the fan shroud. If it doesn't have one draw one before taking the belt off. Don't rely on memory.
Looking at the front of the engine there are two idler pulleys; using a 14mm wrench/socket turn the idler pulley closest to the alternator/Power Steering pump from 12 o'clock to 3 o'clock this will release the tension on the belt.
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Replace serpentine belt on Chevy avalanche?HOW
Pull the engine.
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Put the serpentine belt on to the pulleys of your 1994 Chevy engine. Tighten a serpentine belt with the tensioner pulley.
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Can a 2001 Suzuki Vitara 2.0 Engine be swapped with a 2001 Chevy Tracker engine?
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What engine do you have ?
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The 2.0 liter Suzuki engine in the Chevy Tracker uses 5-1/2 quarts of oil to function.
Serpentine belt. Easy to replace and belt routing is displayed in the engine bay. Get more info with a complete question at www.trailvoy.com