Serpentine belt diagram for 2003 buick le sabre

There is no single diagram that gives you all that. I suggest you try www.AlldataDIY.com. You can access to the same diagrams the pros use for a single vehicle.

here it is

The dealer cost is about 475 and a shop cost is 385 and do it yourself is 106,since your getting other work done means it sounds fair,3 hours to do water pump.Here's a link on doing the water pump. Repair Guides Engine Mechanical Water Pump AutoZone com here's the water pump. Water Pump 1998 Buick Lesabre 6 Cylinders 3 8L SFI OHV AutoZone com plus a gallon of extended life antifreeze full strength.And a tube of sealant and gasket.

That is the right way, spray the bolt with some wd40 or liquid wrench.

There should be a belt diagram under the hood on your fan shrowd if not a repair manual. Good Luck

There should be a diagram of the belt routing under the hood somewhere.

You don't have to remove the mount. Go thru the wheel well on the passenger side and remove the motor mount bolt just right of the crank pulley. Then remove the stud that the nut was on. Then remove the sleeve that the stud goes thru. Then you can change the belt.

There may be a diagram imprinted on fan shroud. There is a belt tensioner that tightens the belt. Also when installing belt be sure you have grooved part of belt riding on grooved pulleys. And flat side of belt riding on flat sided pulleys.

those wires are probably going down to the crank sensor if that sensor fails then the car will not start so fix the wiring and try replacing the crank sensor.

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