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    Thread: GM 1.6 LXV (Variable Camshaft Phasing) Timing Belt Replacement

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    1. #8
      What's wrong with my car?
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      The metal spring steel tab sticking out fits into a retainer machined into the block. The rectangular casting that sticks out a bit around is not positioned to serve as a stop to hold things in place when the hex port is rotated clockwise (an angle of about 30 degrees) creating spring tension while rotating the eccentric to relieve tension on the belt.

      A small hole does exist in outer cast housing of the the OEM part that never aligns with anything as the eccentric is rotated.

      A cutout can be observed along the circumference of the inner spring housing that aligns with nothing. Experimenting with the OEM unit a #41 drill bit was used to drill hole into the outer casting so when the unit was rotated all the way a small pin is inserted to hold the position. This way the 'key' does not have to be used to keep the eccentric rotated to relieve tension. (Honda Civic style mentioned above)

      With the tensioner now attached with the bolt, no matter how hard I pull on the belt, it does not slip over and onto it.

      This makes one wonder if the belt is short or is there a lack of tension in the belt somewhere in the system going around the other pulleys reducing the overall belt slack just a slight amount. Just enought to drive me crazy !

      I must say that the old belt did not easily slide off, but it did.

      The ambient temperature of my shop is about 25 degrees, one can only assume that the temperature does not affect the flexibility of the timing belt.
      Last edited by Salto_Jorge; 02-05-2016 at 01:43 PM.

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