The Asteroid Belt
Cargo Utility Belt
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axle
Mechanical Energy
replace the belt not the tentioner also cost much less
An "idler" is typically used for tensioning of a belt, as in the timing belt, or a chain.
No
There is a tensioning pulley that you can move to loosen the belt. Look at the belt diagram in the engine compartment to locate it.
Loosen the tensioning pulley and install new belt. There should be a routing diagram in engine compartment or on hood.
This applies to 2004 Sienna XLE Just did this today since sometime in the past, someone installed the belt with the flat side toward the grooves! Lost power steering, luckily it was in the driveway and not on the highway. The 4 peak belt had shredded into a 2 peak belt + a 1 peak belt. Flipped them in place a week ago as a bandaid, replaced both belts today. You will have to remove the serpentine belt to replace the power steering belt, so you might as well replace both at the same time. Steps: # Turn off van # Set parking brake # Chock left rear wheel # Jack front right corner of van using the recommended jacking point as you will be removing the front right wheel and will need free access to the engine behind where the wheel sits. # Remove front right wheel # Remove 2-10 mm head screws holding a plastic shroud piece in the inner fenderwell, covering the belt area. # Open hood if not already open. # Mark serpentine belt tensioning screw to ensure correct tensioning if replacing belt with exact same belt length. ## 14 mm head screw at the top of the alternator ## 12 mm golden screw below tensioning screw (I removed mine but it might not be necessary). ## 12 mm tensioning block lockdown screw ## 12 mm tensioning screw. The tensioning screw will likely need to be loosened almost all the way to get the serpentine belt off and the new belt on. Loosening this is best done with extensions and a universal joint. # Detension the main serpentine belt by loosening 4 screws. (Passenger side of engine, accessed from open hood): # Remove serpentine belt # Relocate yourself to the wheelwell. # Locate the tensioning link between crankshaft pully and the power steering pump. # Mark the location of the washered screw in the groove of the tensioning link to ensure correct tensioning if replacing with exact same belt length. ## 12 mm washered tensioning link bolt ## 12 mm tensioning link lockdown bolt (at the bottom of the link). # Loosen 2 bolts: # Using a 12 mm socket of appropriate length attached to a socket wrench, rotate the power steering pump to relieve the tension on the belt. # Remove power steering belt # Replace power steering belt # Work steps 1-15 in reverse, checking tension (no more than 1/4" play in any belt) to reassemble.
There should be a tensioning pulley that can be fitted with a socket and wrench. You can then pull the pulley thus loosening the tension on the belt and then pull the belt off. Install the same way.
that is the timing belt on that car. you can reach up between the body rail the the accesories and loosen the belt tensioning nut that sticks out of the timing cover. this will allow the springs that hold the tension on the belt tensioning pullies to pull out all the slack in the belt. loosen nut and tap the motor with a rubber hammer a few times to vibrate the system and let all the slack come out, the tighten the nut. If you have a lot of slack, you need to do a timing/balance shaft belt and water pump job.
As with any other rotational system in a belt drive during rotation, the belt is subjected to centrifugal force. Due to the centrifugal force the belt is thrown outward from the grooves of the pulley and causes additional tensioning of the belt. The effect of centrifugal tension is that it reduces the pretension of the belt and hence increases belt slip.
Remove fan clutch with fan impeller. Remove A/C compressor drive belt. Remove cap from tensioning roller. Relieve tension on drive belt. Remove drive belt. Reverse procedure for installation.
You don't have to, I don't know what model you have but all use self tensioning belt drive systems. This is a spring loaded pulley which holds the correct tension. if you have noise or slipping you either have miss routed the belt, part failure, old belt.
1. Make sure that when you purchase a new belt, they don't try to sell you the full size serpentine belt. 2. There is a diagram of the belt routing on your truck when you lift the hood. Follow that. 3. Unfortunately, you need to remove the serpentine belt to replace the air conditioning belt.... the belt routing for the serpentine belt is also shown on the diagram. 4. To remove the serpentine belt, get a ratchet set, and crank the "self tensioning" assembly to release tension on the serpentine belt, and remove the belt. 5. There is another "self tensioning" assembly for the air conditioning belt. Crank to place the new AC belt on and release. 6. Re-install the serpentine belt. This is an easy fix... it took me less than 20 minutes, I'm not a mechanic.