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Vin K or Vin 1 ?
Removal Procedure
The accessory drive belt drives all engine mounted accessories. All driven accessories are rigidly mounted to the engine. Drive belt tension is maintained by a spring loaded belt tensioner. A belt squeak when the engine is started or stopped is normal and has no effect on belt durability. The drive belt tensioner can control belt tension over a broad range of belt lengths; however, there are limits to the tensioner's ability to compensate. Using the tensioner outside of its operating range can result in poor tension control and/or damage to the tensioner.
Important: Ensure that the wood block extends past the width of the oil pan in order to avoid damage.
Use a jack with a block of wood on the jack under the oil pan in order to support the engine.
Remove the engine mount to engine mount bracket nuts.
Remove the engine mount bracket front upper and lower nuts.
Remove the engine mount bracket front upper and lower studs and spacer.
Lower the engine as necessary and rotate the tensioner to remove the drive belt.
Remove the drive belt.
Don't need to remove power steering pump if done right !
Belt pulley and belt tensioner. Belt pulley is fxhed and tensioner is movable. You need to have belt tensioner relased of the pressure using belt tool (long handle and 15'' wrench) .. Then you can folow belt routing diagram located on fan shroud or underneath front hood!
double check the belt length if its too short even a little it can cause a squeak.also make sure there is no oil on any of the pulleys as well make sure the tensioner was installled properly and the pulley is the correct one.this does happen if someone doesn`t take the time to make sure of this and assumes they have been given the correct parts.
You are correct, there is no automatic tensioner for either belt. The linked YouTube video provides good guidance for replacing the belts - more so for the top one. To replace the lower belt, remove the right front tire and the splash shield to get to the lower part of the engine for the power steering belt. Toyota Sienna serpentine belt change
1
Check to ensure the Sienna's engine is cold, then make sure
the Sienna is in park, the ignition is in the off position and the key
is removed from the ignition to prevent any possibility of the engine
engaging during the serpentine belt replacement.
2
Open the hood and locate the serpentine belt routing diagram
sticker on the side of the engine casing. Study it for a moment before
removing the existing belt. It is essential the new belt be installed
exactly as the diagram indicates.
3
Find the tensioner pulley, the main pulley that controls the
serpentine belt, and fit a 1/2-inch socket wrench over the
self-tensioner on the outside of the pulley.
4
Pull the wrench to the left to move the pulley forward, which loosens the belt, then remove the belt.
5
Compare the old serpentine belt with the new, replacement
belt for length, width and number of grooves on the belt's underside. Be
certain the replacement belt is the right part.
6
Fit the new belt on to each pulley according to the
serpentine belt routing diagram on the manufacturer's sticker, or
according to the drawing made prior to removing the old belt. Fit the
new belt on to the tensioner pulley last, again applying pressure on the
pulley's self-tensioner with the half-inch socket wrench to loosen the
pulley.
7
Release the pressure on the self tensioner and allow the
tensioner pulley to ease back into place, thereby tightening the new
serpentine belt with the appropriate tension.
The easiest way to change a serpentine belt is to go and buy a serpentine belt tool (Around $15-$20 at the auto parts store.) It's a long, flat wrench with bits that will fit most belt tensioners. The idea is to move the belt tensioner down, to allow the belt to relax so you can pull it off.
Once you have the belt off, follow the serpentine belt installation diagram on a sticker, located under the hood. Then, while pushing down on the belt tensioner, slip the belt on to the last pully and then slowly bring the tensioner back to tension. Double-check your belt routing with the belt diagram before starting your Grand Cherokee.
One of those "wheels" or TENSIONER PULLYS on your vehicle is the tensioner for the a/c compressor. You will need to look at it and see if there is an adjustment bolt behind pully. If there is, loosen center pully nut, then run adjustment bolt out to slack out the belt. Replace belt and reverse prosedure. DO NOT OVERTIGHTEN BELT,as you can damage pullys and or belt. Tighten to factory specs. Rule of thumb is pulling the belt out and check for slack. No more/less than one inch slack.
Hello, Basically, Remove the belt. Then remove the bolt that the tensioner pivots on and remove it. It's fairly easy.You may need to remove the belt pulley to make it easier. The problem comes as your trying to get to it. If you can't see it well or something is in the way. Like the plastic overflow tank or something like that. Then you will need to remove what is keeping you from getting to the tensioner. I did one on a four cylinder last week. The belt pulley on that one had a left hand thread. The tensioner itself should be right hand thread. Good luck.
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