Impeller bolt? |
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Impeller bolt? |
jeffdon |
Dec 21 2009, 03:51 PM
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#1
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Senior Member Group: Members Posts: 1,094 Joined: 24-October 06 From: oakland, ca Member No.: 7,087 Region Association: None |
OK, I was getting smug with myself for keeping such good track of all my parts. Now i cannot find the bolts that hold the impeller to the hub, not the bolt that holds the hub to the crank. Cannot even recall if there is a spacer that goes in the hub/crank bolt. Where can I find myself the proper parts?
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Cap'n Krusty |
Dec 21 2009, 04:15 PM
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#2
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
Depending on which fan you have, there is a choice of 2 bolts. If the surface of the center area of the fan is flat, hex head bolts are used. If there are 3 counter sunk holes, then Allen head bolts are used. The length is CRITICAL; too short and you won't have enough thread engagement, too long and you'll eat the seal. The hub bolt has a flange under the head, and the surface of that flange has radial ribs cast in to help the bolt lock to the 6 (+/-) mm thick washer between the bolt head and the crankshaft. There is also a spacer between the fan and the hub. It is replaced with a pulley on cars with A/C. That spacer MUST be in there.
The Cap'n |
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