SOURCE: diagram to change fan belt on 1993 buick lesabre
the "serp" belt is self-adjusted by a spring loaded tensioner pulley. the proper size wrench or a 3/8" square drive inserted in the tensioner and rotated will release the tension to allow the belt to come off. reverse order to install. DRAW A PICTURE OF THE ROUTING OF THE BELT AROUND THE PULLEYS BEFORE REMOVING CURRENT BELT!!
SOURCE: Fuel pump in 2003 buick Lesabre
if there is an access plate you can remove then yes. but generally you have to drop the tank to get to it
Robert
SOURCE: 2000 buick lesabre - water pump replacement
first disconnect the battery then check how the serpentine belt is lined up so u can take it off and put back on. Then the pump should be on the side of the motor with 9or12 bolts there could be more! after taking out take razorblad and skrap the old gasket clean wipe of then put new gasket and pump back on dont over tighten the screws cuase the pump my be aluminum.
SOURCE: oil pump change
take long bolts out that run thru motor mounts ,jack in front of motor all bolts in oil pan out, remove oil pan and then remove oil pump, replace new pump ,torque to specs, replace oil place with new pan gasket , bolts back thru mounts and ready to go, hope to help, thanks robert b.
SOURCE: 1993 buick lesabre won't start. security light is
The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;
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