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> Jensen Healey & Jensen GT Tech > Engine & Transmission > replacing 4-speed speedo pinion gear

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replacing 4-speed speedo pinion gear  Rate Topic 
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 Posted: 09-24-2017 02:18 pm
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allstateguy
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How do you get the bearing out, in order to remove the pinion gear? The service manual does not address this at all.

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 Posted: 09-25-2017 01:52 pm
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Brett Gibson JH5 20497
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The Haynes workshop manual for Vauxhall Viva 1970 to 1977 has a full chapter on how to re-build the rear ends, same as the JH's rear. Looks like you need to pull each axle and ring gear and it comes out the back.
Brett

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 Posted: 09-25-2017 03:38 pm
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allstateguy
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Sorry if I wasn't clear, but I need to get the speedo cable pinion gear out of the tailshaft of the 4-speed Chrysler transmission. The parts book shows a "bearing", part #93962. I have the cover (which receives the cable) off, and it has two tangs on the inside, which key into slots in the bearing. I've tugged on the pinion gear shaft, but nothing is moving. I wonder if the bearing is externally threaded, or just enjoying 43 years of being in place?

Last edited on 09-25-2017 03:39 pm by allstateguy

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 Posted: 09-25-2017 07:05 pm
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NigelK
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If no one on here can help, then it might be worth investing in one of these?

https://m.ebay.co.uk/itm/Haynes-Workshop-Manual-Sunbeam-Rapier-Sunbeam-Alpine-H120-1967-1974-New-/253131919993?epid=176772057&hash=item3aefd69279%3Ag%3AJUsAAOSwOfdZq9Bq&_trkparms=pageci%253Abb77da00-a21b-11e7-bb6e-74dbd180b34b%257Cparentrq%253Aba34a1c615e0ab4d2bf181b1ffcf48dd%257Ciid%253A1

Last edited on 09-25-2017 07:06 pm by NigelK

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 Posted: 09-25-2017 08:12 pm
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allstateguy
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Thanks for pointing to that for me! I just might have to go that way

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 Posted: 09-29-2017 06:02 pm
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allstateguy
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used a pair of needle nose pliers, worked it back and forth (turns out it is just a steel piece with a hole in the center) until it came out. My speedo cable pinion is just fine. The issue is the tailshaft has NO drive gear on it. So it looks like I drive it with no speedo until I feel like pulling the transmission out and hunting for 93130.

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 Posted: 09-30-2017 06:21 am
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Jim Sohl sn 11210
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As an FYI: there are GPS speedometers that operate independently of your transmission, or anything else for that matter. Pricey, but an option.

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