Gearbox removal

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Susan and Martin Scott

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Jun 30, 2019, 1:30:37 PM6/30/19
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I really should know the answer to this, however, when I assembled my Q Saloon the engine and gearbox were inserted from below as a joined unit, and just about cleared the anti-roll bar on both sides!
Anyway, to my question....... Is it possible to replace the clutch on a saloon with the engine in position, just by moving the gearbox aside?
Martin

Bill Allison

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Jul 1, 2019, 6:23:13 AM7/1/19
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Short answer is no, however if you jack the car onto blocks and support the engine with a jack under the sump, remove the n/s hub and driveshaft, gearbox support subframe where it's attached to the body, clutch cable, speedo cable, selector rod clamp and exhaust system hangers it _might_ hang down enough on the nearside (after disconnecting water hoses, fuel pipes, wiring, etc) to get the box off. If not then disconnect the engine top mount and lower the engine further. You will need to lever the offside inner CVJ off the gearbox simultaneously with sliding the gearbox off the engine and on reassembly offer the CVJ to the gearbox simultaneously with offering the gearbox to the engine. Tricky - possibly quicker in the long run to remove both driveshafts to begin with. But by the time you've done all this you've done just about all that's necessary to fully remove the engine/box...

In case you're not aware, instead of lifting the body off the running gear, you can take the engine out upwards, which might be easier.

http://quantumforum.proboards.com/thread/522/quantum-saloon-full-rebuild

It requires undoing the exhaust manifold and holding it clear, or disconnecting the system from the manifold, but avoids the need to remove the exhaust system and the inlet manifold assembly. If the radiator is in the engine bay, not in the nose-cone, you might need to remove it. You also need to remove the brake servo/master cylinder.

Hope that's helpful.

Best regards
Bill


Bill Allison
Borders Group of Advanced Motorists
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Susan and Martin Scott

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Jul 1, 2019, 4:42:18 PM7/1/19
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Hi Bill,
Thanks for your insight. It does look a tight squeeze, so I was thinking I could possibly get in more of a mess by attempting to take the box off the engine. At least if I take engine and box out together I'm commiting to it. Regards, Martin



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