Step 1 – Jack the Vehicle. Disconnect the car battery and apply the handbrake. Jack up the front passenger side and place a jack stand for safety. It is recommended for you to draw a diagram or take a photo of the belt route, it might come in handy if you are not a professional car mechanic. Without it, routing the new belt will be a nightmare. 04: To remove the belt, place the end of the breaker bar or tensioner bar into the square hole on the belt tensioner. Press the tensioner down to relieve the tension on the belt so it can easily be removed. 05: Carefully remove the belt from each of the pulleys. The average price to change the belt tensioner at the dealer ranges from $400-$650. Local repair shops will charge between $280-$450. The DIY cost to change the Mercedes-Benz drive belt tensioner ranges between $50 and $120, even if you have to buy the tools needed for this job and a new serpentine belt. 18 posts · Joined 2011. #1 · Feb 23, 2017. So I've read up on removing the serpentine belt. Basically you grab a 16mm wrench, turn the bolt on the auto tensioner counter clockwise until the tension releases, and then stick a hex key in there to keep it there until the new belt is put on. That's all fine and dandy, but I can't seem to rotate 2.2L. 4 CYL. 2WD. AUTOMATIC. 138,000 MILES. I'm using proper tool for it and all that's happening is that the pulley and the 15mm bolt will turn in its stationary position but will not move tensioner to unload tension from belt (as if belt was too loose or bolt was loose). Yet the belt has full tension and there are no symptoms of any type of Now, you're going to use a serpentine belt tool. We're going to use the 15-millimeter adapter on the end of it. If you don't have one, you can just use a 15-millimeter wrench. Just be careful. Loosen up the tension on it as if you're turning it clockwise. And then over on the idler, just take the belt off. Release the tensioner. Pull off your tool. Jan 21, 2017. #1. I purchased a new serpentine belt for my Cruze (1.4T engine) since it's about time to change it based on mileage. The new one is 3/4"/25mm too short at 1395mm vs. the original's 1410 mm (that translates to 55" vs. 55 3/4"). The belt maker's Web site says that the 1395mm belt is what they have for the application. You can get all these parts on Amazon way cheaper than the Dealer Here-Outer Tensioner-http://www.amazon.com/gp/product/B009B5RSCS/ref=as_li_tl?ie=UTF8&camp= CĂĄch Vay Tiền TrĂȘn Momo.

how to tension a serpentine belt