Acura NSX 1991 Manual page 111

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Valves, Valve Springs and Valve Seals
Replacement
NOTE: Identify valves and valve springs as they are re-
moved so that each item can be reinstalled in its original
position.
1. Using an appropriate-sized socket and plastic mallet,
lightly tap the valve retainer to loosen the valve keep-
ers before installing the valve spring compressor.
PLASTIC MALLET
SOCKET
2. Install the spring compressor. Compress the spring
and remove valve keeper.
VALVE SPRING
COMPRESSOR
ATTACHMENT
EXTENSION
07MAF-PR9010A
VALVE SPRING COMPRESSOR
(Commercially available)
Snap-on CF711 or equivalent
Table of Contents
VALVE SPRING
COMPRESSOR
ATTACHMENT
07757 - PJ1010A
3. Install the special tool as shown.
VALVE GUIDE SEAL REMOVER
VALVE SEAL
(Commercially available)
LISLE P/N 57900 or KD3350
SEAL
PULLER
4. Remove the valve guide seal.
VALVE GUIDE SEAL REMOVER
(Commercially available)
LISLE P/N 57900 or KD3350