Scirocco L4-1781cc 1.8L DOHC (1986)
Use the above adapters with pressure gauge US 1074 B.
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remove pressure line from pump
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install adapters to gauge and connect pressure lines
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with gauge valve in open position, start engine and run at idle
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top up ATF in reservoir if necessary
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close valve (no longer than 5 seconds)
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read pressure
^
70-80 bar (1015-1160 psi)
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if pressure is outside specified range, replace pump
System pressure, checking
Work sequence
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with engine idling and valve of US 1074 B open, rotate steering wheel lock to lock and hold (no longer than 5 seconds) to check pressure in each
end position
^
70-80 bar (1015-1160 psi)
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if pressure is outside specified range, replace power steering gear assembly
Note
If reservoir fluid level is low, always check steering system for leaks.
Steering System, checking for leaks (engine running)
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rotate steering wheel lock to lock and hold in position (no longer than 5 sec.)
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check all line connections and tighten if necessary
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if leak occurs at steering pinion, or steering rack seals are leaking (pull boot off steering gear to check), replace steering gear assembly
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if leak occurs at power steering pump, replace pump