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321 viewsMy original pulley lock that I got a previous mechanic to whittle out of steel for me. It's rough but it still serves me well to this day. This is what inspired me to design the newer version, using www.emachineshop.com CAD software and manufacturing.
Though it can be used with the engine out of the car, it makes the job much easier when the engine is in the car and the pulley fan needs to be removed.
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252 viewsMy new design easily fits in your hand. It's 1/4" steel, cut with a wire EDM for precise radiusing of the pulley lock teeth, and ground flat.
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261 viewsThe pulley lock mounted and ready for use!
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232 viewsClose up of my newly designed pulley lock teeth engaged with the pulley fan. Plenty of contact to distribut the load so no teeth get broken or rounded.
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239 viewsTo engage the pulley lock, slip the teeth of the pulley lock between the teeth of the pully fan...
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216 views...and gently push the pulley lock...
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212 views...all the way until it stops. Now the pulley lock mounting bolts can be screwed into the fan housing retaining mounts.
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229 viewsTop view of the mounted pulley lock with the pulley lock mounting bolts threaded all of the way into the fan housing retaining mounts. The mounting bolts are snug-to-almost-loose -- there's no need to tighten them but it is a good idea to thread them in as far as they will go yet still leave the pulley lock parallel to the fan housing.
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231 viewsThe pulley lock can not be pushed into the teeth of the pulley fan! Because of the teeth and curvature, it just won't happen and forcing it will damage the items.
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226 viewsThe pulley lock mounting bolts are locked to the body so you can't lose them.
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224 viewsA view of the front side (in relation to mounting it on the engine). This is the side that faces the engine.
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220 viewsA view of the rear side (in relation to mounting it on the engine). This is the side that faces you.
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