Re: removal and replace belt tensioner on 1994 olds...
Nothings easy on achieva.- Remove power steering, top motor mount(make sure motor is supported from top) ,right front wheel,(support body).Remove splash panel.now you have room .might have to move engine up or down
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Remove the alternator/power steering pump and water pump drive belt to gain access to the air conditioning drive belt. To remove and install the air conditioning compressor drive belt, first loosen the tensioner pulley lock nut, then turn the adjusting screw to raise or lower the tensioner pulley assembly Accessory Drive - 3.3L Engine or Accessory Drive - 3.5L Engine To adjust the air conditioning drive belt, loosen the tensioner pulley nut and adjust belt tension by tightening adjusting screw. Torque pulley nut to 54 N•m (40 ft. lbs.) after adjustment. The Poly-V generator/power steering belt has an adjustable tensioner pulley located on the timing belt cover Accessory Drive - 3.5L Engine to maintain proper belt tension. To remove or install this belt, Release tension by loosening the tensioner pulley nut and adjustment bolt Accessory Drive - 3.5L Engine Reverse procedure to install and tighten belt to specified tension.
Remove the serpentine belt by going clockwise with a 3/8 breaker bar on the belt tentioner UNDER the truck (I had to use my 1/2" breaker bar with a 3/8" adapter). Have someone remove the belt off the alternator as you remove tension under the truck (jack the truck up just a bit to fit) there is a square 3/8" for a socket ratchet to fit into on the tentioner underneath. Then remove the 2 - 13mm bolts on the alternator on top of the truck (under the hood). They are long bolts and rather tight, I loosened them with a breaker bar and then air ratcheted them out the rest of the way. Even with my cheap $20 air ratchet and $40 compressor, it does the job because there is not much room in there. Now pry the alternator loose with a BIG screwdriver, side by side until it's flopping around a bit. Then remove the 1/2" nut off the alternator wire and remove the wire. Now the fun part, getting it out of the engine compartment. It comes out BACK first, take the bolt to the wire out first and the entire black rear towards you (barely enough room). The pulley will be facing towards the engine and wiggle back and forth until it slides out. Good luck on the arm cuts! I didn't put my new one back in yet but I am sure it will be fun. Tom.
Open the hood to the Saturn SL and locate the serpentine belt
routing diagram on the front engine frame rail. This diagram will show
you where the tensioner pulley is in comparison to the others. You will
need to refer to it to make sure the belt is aligned properly when it
comes time to place the belt back on.
Stand on the side of the right fender of the Saturn SL
located in front of the belt and pulleys. Locate the tensioner pulley
according to the belt routing diagram. Different applications of Saturn
SLs (for example, with power steering and air conditioning
or without power steering or air conditioning or any variety thereof)
may place the automatic belt tensioner in slightly different locations.
As you will note from the room between the engine and the interior
fender well, you have an extremely limited amount of room to work. This
is why the telescopic magnet will come in handy; you're going to drop a
wrench and need to retrieve it from the bottom of the splash shield.
Place the box end of the long-handled 14-mm wrench onto the
center bolt of the automatic tensioner and turn it clockwise. This will
relieve the tension on the belt. Take the belt off the upper-right hand
pulley only (unless you're replacing the belt as well) toward the front
of the car. Allow the tension to go back and remove the wrench.
Slip the back of the serpentine belt off the tensioner.
Locate the two bolts on the flange of the tensioner and remove them,
using the ratchet and a deep socket. If you need more room to get to the
bolts, you could remove the pulley wheel off the automatic belt
tensioner by placing the 14-mm long-handled wrench back onto the center
bolt of the pulley but turn counterclockwise and remove the bolt and
Install the new belt tensionser, replace the bolts, threading
them in by hand at first and then tightening with the ratchet and
socket. This is going to be challenging due to the lack of room in the
cavity you're working. Place the 14-mm wrench back onto the center bolt
of the tensioner pulley and turn clockwise to release the tension and
reapply the belt to the upper pulley and on top of the tensioner or
replace the belt, according to the belt routing diagram.
The compressor is located on the engine with a belt driving it, It is usually down the bottom where you can't get to it, most of them are removed from underneath. You have 3 or 4 things that are belt driven, in case you don't know which is which, the power steering pump, the alternator, and the ac compressor, and sometimes you will find an air pump, or a water pump. The ac compressor is easily identified by the 2 big aluminum pipes going into it. Hope this helps.
to replace the belt you need to see what size socket the tensioner has on the inside. with a ratchet attached put the socket on the inside bolt and push in the rotation to move the spring down taking the tension off of the belt. Pull the belt off and be sure to replace it with one of the same lenght. to install the belt, push the tensioner down and pull the belt over it. the tensioner will adjust itself to the correct tension.
you need to get a belt tensioner tool to put in tensioner square slot. to release belt tension.then you raise vechicle and safely support it.remove tire.then inner fender splash shield.then you remove tensioner bolt.becareful not to mash your fingers or hand.
Yes, you'll have to use a wrench or socket on the bolt in the center of that tensioner pulley, you'll back off the tension to remove the belt and have to back off the tension again when you install the new belt.