Valve Seals; Replacement - Honda Prelude 1993 Service Manual

Valve Seals
Replacement (Gylinder head removal not requiredl
NOTE: Cylinder head removal is not required in this
orocedure.
Ths proc€dur6 shown below applies when using the in-
car valve spring compressor. (Snapon YA8845 with
YA8845-2 A 7/8' attachmentl
@E
Alway woar approv.d oyc prot.ctron
whon uslng th6 in-cel valvo spring compt!3!or.
1. Turn the crankshaft so that th6 No. I 8nd the No.
4 pistons are at top desd center (TDC).
2. Remove th€ cvlinder head cover and the rocker arm
assembly.
NOTE;
a Rsf€r to p8ge 6-12 for rocker arm assembly
removal.
I When removing or installing the rocker arm 8s-
sambly, do not r6mov6 th€ camshaft holdor bolts,
Th6 bolts will keep the holders, sprir€s and rocksl
arms on th€ shaft,
3. Remove the fuel injectors and the wire hsrn€ss.
4. Using the 8 mm bolts supplied with the tool, mount
the two uprights to the cylinder h6ad atthe end cam-
shaft holders. Th€ uprights tit ov8r the camshatt as
shown,
5. Insert the cross shaft through th6 top hola of th€ two
uprights.
trl
6-5
OII. PA&gAGES
6 .
Intake V!lv. Soals:
6.
S€lgct the 7/8 in diameter long compressor attach-
m€nt 8nd fasten the gttachment to th6 No. 5 hole
of th€ levor arm with the speed pin suppli€d.
Ins€rt an air adaptor into the spa.k plug hole. Pump
air into the cylinder to ke6p the valve closod whils
compr€ssing springs and rsmoving th€ valv€
ke6o6rs.
Position the lev€r arm und6r ths cross shaft so the
lover is porpondiculsr to th€ shaft and the compres-
8or sttachm6nt rests on top of the rgtsinsr tor the
spring being compress€d. Us€ th€ tront position slot
on ths l€vsr as shown.
NOTE: RJt shop towek over the oil passages to pre-
vent th6 valvo ke€p€B from falling into the cylindsr
h6ad.
(cont'd)