5 Series E34 525td (M51) TOUR
Check 2nd gear synchronizing mechanism for wear.
Measure distance X between gear wheel and synchronizer ring. In
so doing, press down uniformly on the synchronizer ring by hand.
Specification: at least 0.9 mm
Actual new part distance: 1.1 ... 1.6 mm.
When replacing, all three parts must be replaced at one time.
Heat guide sleeve to approx. 80
°
C (hot air blower).
Fit guide sleeve with long collar facing 2nd gear wheel.
When fitting, make sure driver lugs (5) of inner race are flush with
recesses (6) on gear wheel.
In addition, driver lugs (7) on synchronizer ring must engage in
grooves (8) of guide sleeve.
Press on guide sleeve with special tool 23 1 290 until firmly
seated.
Install spacer (2).
Install retaining ring (1).
Retaining ring must be seated without play in groove; if necessary,
replace spacer (1).
Spacers are available in different thicknesses
Sizes from 1.8 ... 2.05 mm.
RA Disassembling and assembling all synchronizing mechanisms (S5D 260Z / 310Z / 320
BMW AG - TIS
23.01.2013 07:13
Issue status (12/2007) Valid only until next DVD is issued
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