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Why won't the valves come out?

USNA1969

Well-known member
Joined
Sep 12, 2005
Messages
93
Location
Maryland
Corvette
1972 Big Block/4-Speed
I've tried several spring compressors and, so far, I've gotten the farthest with one of the screw types with the arms that extend down the side of the springs. The problem is that I can't get the keepers loose.

I can compress the springs enough to lift them off the seats on the head. I can even push the valves open, but when I put a block of wood under the valve to keep it from moving, I can't get the springs to budge so I can get the keepers out. What am I doing wrong?
 

72VETTE454

Well-known member
Joined
May 30, 2004
Messages
82
Location
MI
Corvette
1972 Convertible LS5 4spd
It is possible to compress the spring enough to lift it off the seat of the head and to be able to move the valve, but still not compressed enough to remove the keepers. Maybe you just need to compress the spring a little bit more to make enough clearance to remove the keepers?
 

bradfordsvettes

Well-known member
Joined
Mar 28, 2001
Messages
549
Location
Boston, MA area
Corvette
jewel blue 61.cranberry 69 t-top.black rose 92
you may need to put a block under the valve and give the retainer a tap with a hammer sometimes the old seals get stuck like glue and the keepers could also nave varnish build up on them and may need a little persuasion to break loose from the retainer :eek:hnoes Steve
 

wallyknoch

Well-known member
Joined
Nov 9, 2002
Messages
457
Location
Dearborn
Corvette
One owner unrestored Black 1962 FI Corvette
Since you apparently do not have a very good spring compressor I may suggest this trick. Set the head on some wood and select a large deep socket. Set the socket on the retainer and with a good sized BFH strike the top of the socket. The spring, retainer and keepers should come apart in your hand. :upthumbs
 

USNA1969

Well-known member
Joined
Sep 12, 2005
Messages
93
Location
Maryland
Corvette
1972 Big Block/4-Speed
Got Them Out

Since you apparently do not have a very good spring compressor I may suggest this trick. Set the head on some wood and select a large deep socket. Set the socket on the retainer and with a good sized BFH strike the top of the socket. The spring, retainer and keepers should come apart in your hand. :upthumbs

Thanks for the advice. I sprayed them with liquid wrench and used a socket to free them.
 

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