You don't use a torque wrench to loosen ANYTHING. -It is only for tightening nuts and bolts to the correct torque.
With the proper tools and the correct torque.
The torque needed to loosen a bolt or joint is often much higher than the torque needed to put the bolt in in the first place. There is no set value difference between the two, unfortunately.
Torque settings on 1300 Toyota Tazz are torque to 59 foot-pounds, loosen one full-turn. Then, torque 37 foot-pounds and 68 foot-pounds. Torque sequence is 6, 4, 2, 8,7, 3, 1, 5.
Much like any other type of wrench, a hydraulic torque wrench is used to tighten or loosen fasteners, such as nuts. The difference is that the torque is created by hydraulic means (think pressurized liquid).
I have a 1.6 L motor, it was; torque to 21, then torque to between 51 and 54 lbs. completely loosen bolts then repeat tightening pattern above.
With patience and torque. Chemicals such as Liquid Wrench and WD40 help by seeping into the threads and lubricating them.
26 ftlbs then another 79 ftlbs. Loosen all the bolts and then a final 69 ftlbs
Under normal circumstances it will not loosen. You use a torque wrench to tighten it to specifications. Specifications are located in the Haynes repair manual available from www.amazon.com. clockwise to tighten counterclockwise to loosen You need a socket that fits tightly on the bolt head and a long-handled torque wrench.
A hydraulic torque wrench is a tool used to exert torque on a fastener, to either loosen or fasten to satisfaction. Torque is the twisting force used by the body and the tool to achieve your results. Hydraulic torque wrenches range is price and weight and height. You can purchase the tool at supply chains (Lowes, Home Depot…) or rent, depending on how often you plan to use it.
there is not a specific torque for the idler pully. tighten it up with a ratchet and it will not loosen up
Yes, any bolt that has a torque specification should be torqued for safety concerns. Not enough torque on the bolt can allow it to loosen up and too much torque can cause the bolt/nut thread to fail.
NOTEStep 1: Tighten all bolts to 22 ft. lbs.Step 2: Tighten all bolts to 51 ft. lbs.Step 3: Loosen all bolts, in reverse torque sequence, by 180°Step 4: Loosen all bolts, in reverse torque sequence again by 180°Step 5: Tighten bolts #1 and #2, in the torque sequence, to25 ft. lbs.Step 6: Tighten bolts #3,4,5 and #6, in the torque sequence, 11 ft. lbs.Step 7: Tighten all bolts, in torque sequence, by 80-90°Step 8: Tighten all bolts, in torque sequence, again by 80-90°