That's correct, put a wrench on the bolt and push toward the rear of the car. The bolt doesn't actually turn, though. You push it to pivot the tensioner and loosen the belt. A regular wrench with a long bar on it would work fine. As far as I can tell though, you'd need a 0 degree offset wrench. Buy Now!New Serpentine Belt Tensioner from 1AAuto.com http://1aau.to/ib/1AEBT00196This video shows you how to install a new TRQ tensioner pulley in your 2006 In this 3rd video from the Project Brabus series, we look at how to remove and replace the alternator, serpentine belt tensioner, and serpentine belt, on a S Remove the belt from the grooved idler pulley and the power steering pump pulley. Pull the belt out of the engine bay. step 3 :Removing the Serpentine Belt Tensioner. 2:42. Remove the three 10mm bolts from the belt tensioner. Remove the tensioner from the engine bay. step 4 :Installing the Serpentine Belt Tensioner. How do you check a serpentine belt? Modern serpentine belts and tensioners do not wear and fail the same. So today we learn how to properly check serpentine Serpentine Belt's Hydraulic Tensioner Replacement Hint. I just finished this job, and found it to be more of a head slapper than I expected at the outset. The removal and installation of the assembly itself has been covered pretty well to this end, but here it is again: 1. 12mm bolt at the bottom of the engine block. To loosen an AI tensioner, such as an alternator, loosen the main mounting bolt, usually on the engine, and the locking bolt, usually on a bracket or arm. If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt. To loosen an NAI tensioner, loosen the locking nut or An adjustment bolt on the alternator provides belt tension on Toyota's 1.8L engine. This belt is easier to replace than many, but does require that the alternator mounts are loosened up. This engine was used from 2009 to 2013 and is also found on the Yaris, Matrix, Scion xD and Pontiac Vibe. Shown is a 2010 Toyota Corolla. The job at a glance a) removing the belt. B) removing the screws on the tensioner. the tensioner doesnt seem to come off the engine. I dont know what other steps are required to remove it. while i was releaving the tension to remove the belt, the revolving pulley on the tensioner broke, so i cannot replace the belt and take it to a mechanic . Excessive belt tension will also wear out a belt quickly. Proper belt tension is 1/2 inch of sideplay both ways. Press down on the belt midway between pulleys and observe the travel. Belt tension I409E.