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#1
15th December 2009, 09:12 PM
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sierra gearbox input shaft - excess play?
Hi guys,
Any mechanics out there. pulled bellhousing off gearbox to aid cleaning and have noticed there seems to be a fair bit of play in the input shaft. there isn't any info in the haynes manual, can anyone tell me what the tolerances might be. cheers, tony. 
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#2
15th December 2009, 09:44 PM
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what do you mean be excessive play? im only training but might be able to gove you some idea...
any more than a few mm would be bad. at a guess, would say to me bearings but im only training someone else might know better Jake
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If in doubt... Give it a clout! My Build Thread - http://www.haynes.co.uk/forums/showthread.php?t=2995 Build Pics http://s804.photobucket.com/albums/yy326/jake_hornsby/ Spent So Far - £90
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#3
15th December 2009, 09:49 PM
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If the gearbox is knackered what will it cost to repair Vs buying another? I was going to rebuild my 1600 cvh rebore,rings, bearings etc then found one on ebay all ready done in bits for 1/4 of the machine and parts cost. If it costs £200 in parts and labour to get the box fixed you may only spend £40-60 on another gearbox. You pays your money you take your chances.........
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#4
15th December 2009, 11:04 PM
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It has been my personal experience with gearboxes that the cost of parts is usually prohibitive
 Unless it is a cheap off the shelf bearing or Two that is knackered it is usually, way cheaper to buy a recon unit or find a decent second hand one  I priced up some major components for a Capri gearbox a few years back. The total cost of the parts ( Ford dealer prices ) Came to more than the price of a brand new unit, direct from Ford 
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I am not a complete idiot...........Some of the parts are missing !! Ronnie  www.roadster-builders.co.uk
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#5
15th December 2009, 11:13 PM
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Just read the original post
 Quite often, bell housings are fitted with a replaceable bush. Once the bell housing is removed, you will notice a fair bit more side to side & up/down play. If it just feels a little wobbly with the bell housing removed it should be fine. ( The spigot bearing in the flywheel provides a great deal of support for the mainshaft ) If it has a substantial amount of end float or backlash, it'll need looking into. The same will apply if the gear train soudns very rough
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I am not a complete idiot...........Some of the parts are missing !! Ronnie www.roadster-builders.co.uk
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