Question about 1996 Pontiac Bonneville SE CA Value
How do you replace serpentine belt for 96 bonneville?
This is a fairly straightforward mechanical procedure. If you will allow me to provide a little perspective first, just so we start on the same page.
Since you ask only for the procedure for replacement, I do not want to jump over the diagnostic element of this process. If you are holding a broken belt in your hand you can skip directly past this paragraph. The serpentine belt, referred to as the engine drivebelt does what fan belts did in the "old days". This belt is by the crankshaft and in turn spins the alternator, the water pump and the pump for the power steering and the air conditioner compressor. This belt is a wear item and should be examined once per year. The belt is smooth on one side and has ribs running long ways on the other side. Using a flashlight check for shiny areas, cracks of any kind or fluid on the belt. Any of these, change the belt.
Now we need to get our navigational landmarks in sync. The engine in most front-wheel drive vehicles is mounted transversely (sideways). So front and back of the engine become left (front of engine) and right (rear of engine). The drivebelt is on the front of the engine, so to your left as you raise the hood and peer inside.
There should be a drivebelt routing decal on the upper radiator panel (between the engine and the front of the car). I recommend at this point that you also take a few pictures of the drivebelt with your cell phone or digital camera. Detail its path around all accessory components. I know that this is belt and suspenders but it will help greatly with replacement. Now look for the belt tensioner under the power steering pump. The power steering pump is at 12:00 o'clock on the front of the engine. Read the sticker on the square power steering reservoir at the top front of the engine to ensure you are in the right place. The tensioner is the round pulley that looks like it it isn't attached to anything and therefore has no purpose. Put the appropriate wrench on the nut on the front of the tensioner and turn counterclockwise (push toward the back of the car). A long handled ratchet works best here since you will need to get some leverage to turn the tensioner. This will loosen tension on the belt. While holding the belt tensioner remove the belt from all of the pulleys and pull it out. When you release the belt tensioner, it will swing down out of the way. Now again rotate the belt tensioner and route the new belt onto the engine. This should do it. If you are going to be doing this intermediate level of repair and maintenance I recommend you get a hard-copy repair manual for your vehicle or subscribe to one of the many excellent repair on-line service. Good luck!
Posted on Oct 08, 2008
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Posted on Jan 02, 2017
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Feb 27, 2011 | Pontiac Bonneville Cars & Trucks
On Bonnevilles (1996 SE ), the belt is routed around the front engine mount to get to the air conditioner accessory. Once you turn the tensioner counter-clockwise using I believe 5/8" socket with a 1/2" drive breaker bar, so you have good leverage, you can remove the belt from the accessories. The front engine mount has three legs that connect to the front of the engine (on the passenger side of the car). You have to unscrew the lowest of the three mounting points (easiest done from the under side of the car, with the plastic shielding moved out of the way), which is right next to the crankshaft pully. Then there is a round tube spacer in between the engine block and this leg of the engine mount that you take out, and you can pull the belt out through there.
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