How does a hydraulic tensioner pulley work?
Hydraulic tensioners are powered by oil pressure from the engine oil pump and may press on a tensioner pulley (timing belts) or tension slipper (timing chain). You’ll likely need the year, make, and model information, and you may have to use special tools for this kind of tensioner pulley.
What’s the best way to loosen a NaI pulley?
To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw. Push the pulley toward the other pulleys or accessories, loosening the belt. Spring tensioner pulleys, as the name implies, use a spring to hold tension on the belt.
What’s the best way to loosen a tensioner?
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 bolt, then back off the tensioner screw.
Do you need to reset a hydraulic tensioner?
Typically, a hydraulic tensioner needs to be “reset” and locked after removing it from the engine. Remove the lock only after the tensioner, pulley, or slipper, and timing belt or timing chain are installed and aligned.
Hydraulic tensioners are powered by oil pressure from the engine oil pump and may press on a tensioner pulley (timing belts) or tension slipper (timing chain). You’ll likely need the year, make, and model information, and you may have to use special tools for this kind of tensioner pulley.
How can you tell if a tensioner pulley is glazing?
Shine the flashlight on the tensioner pulley and examine the pulley face. If there’s evidence of glazing on the pulley surface, the belt has been slipping on it.
To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw. Push the pulley toward the other pulleys or accessories, loosening the belt. Spring tensioner pulleys, as the name implies, use a spring to hold tension on the belt.
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 bolt, then back off the tensioner screw.