Austin Healey Gearbox/Overdrive Rebuild « Britsport of Seattle

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Austin Healey Gearbox/Overdrive Rebuild

1959 Healey gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 Sideshift gearbox and overdrive. Condition unknown. Brought to Britsport for teardown and evaluation.

Austin Healey gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 gearbox for rebuilding.

Austin Healey 3000 gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 gearbox for rebuilding

1959 Austin Healey 3000 gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 Gearbox and Overdrive Unit. Completely disassembled and cleaned. Syncros and bearings worn. Mismatched inside and outside 1-2 shift hub from a previous rebuild. Detent ball frozen inside 3-4 hub. Lots of sludge and dirt inside, but a good unit to rebuild. All overdrive components in good condition.

1959 Austin Healey gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 Gearbox and Overdrive disassembled. My rebuilds are totally disassembled and evaluated.

1959 Austin Healey gearbox

1959 Austin Healey gearbox

1959 Austin Healey 3000 Gearbox and Overdrive disassembled.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000 overdrive fully rebuilt with new bearings, o-rings, and seals. Assembled with dummy mainshaft to maintain spline alignment during assembly.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000 overdrive unit.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000 Gearbox. Showing method of retaining 3rd gear needle rollers with heavy grease prior to fitting the gear. 2nd speed already fitted.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. 3rd-4th gear shifting hub being assembled with new detent springs. The inside slider on the left has the detent springs and balls retained with Churchill factory assembly ring. Outer hub at right will slide right on and displace the assembly ring.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. Gearbox mainshaft fully built up ready to offer up to gearcase.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000 Gearcase. Solvent washed, hand scrubbed, and hot-water washed. It is cleaner than your momma’s bloomers.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. Main gearcase assembled with laygear laying in the bottom of the case, dummy layshaft retaining the needle rollers, thrust washers fit up, and assembled mainshaft installed at rear of the case.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. Gearcase fully assembled. 1st motion with fresh bearing installed at front. Laygear brought up into mesh with layshaft installed, and reverse idler fitted.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. Main gearcase finished, forks and rods installed and safety wired. Bellhousing installed at front, and overdrive fitted at rear.

Austin Healey 3000

Austin Healey 3000

Austin Healey 3000. Adaptor plate and overdrive unit fitted at rear with side cover installed. Bellhousing installed with new front seal. Bench tested @ 470 PSI operating pressure. Ready to paint and fit up/adjust solenoid.

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