Boxster (986) F6-2.5L (1998)
Note! The conversion described in the following only applies for vehicles in which the bellows first version A (with 2 rubber bellows -1 and 2-) is
installed!
Overview of bellows conversion
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To convert the bellows variant -A- to version -A1- the hydraulic unit, the brake booster -4- with brake master cylinder and the intermediate piece
-11- must be removed.
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The assembly of the brake master cylinder with the brake booster -4- must not be disconnected for removal and installation if both parts should be
continued to be used!
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To remove the intermediate piece -11-, the battery must be removed! This will prevent damage of the components in the surrounding area.
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The following parts must be exchanged or replaced for first installation of variant -A1- (replacement aus fuhrung):
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Remove short bellows -2- on the brake booster and the long bellows -1- on the firewall.
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Remove the grommet (rubber groove ring) -3- for mounting the long (former) bellows (not replaced).
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The following parts are used in place of the removed parts -1 / 2 / 3-: Bellows -B- (already mounted on new brake boosters), connection sleeve
-7.1- with sealing ring -7.3-, the seal for the firewall -7.2- and the hose clamps (clamps) -6 and 6.1-.
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The two push rods -12 and 9- are to be replaced with the modified version -12.1 and 9.1-.
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Additional assembly - Boxster model '97: The brake pedal must be replaced in addition to the new push rod -9.1- in Boxster model year '97:
Go to "Additional assembly - Boxster model '97"
Difference in the push rods:
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Push rods -12.1- with thread and fastening nut -13.1- in place of push rod -12- with retainer -13-.
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A guide for the bellows -arrow- is present in the previous push rod -9-. A guide is not present and not permissible in the new push rod -9.1-!