89 xjs no start
#42
Well it's been a slow process but could not be happier with the results.
They were all exhaust valves that were stuck, when all said and done there
were 4 on the one side and 3 on the other.
Pulled the valve covers, pulled the camshaft, stuck valves easily seen
the tappets would not return to the top.
A good magnet and I was able to pull the tappets out. Then a lot of
P.B. Blaster, and oil around the valve stems. Then the nervous part of how
hard to hit the valve with a heavy hammer and punch. After the first one
released, and I got a feel of how it was going to act, repeat on the other 6
valves.
After reassembly, an oil change and fuel finally getting up and around she fired off.
Runs beautifully, cleaning a fuel tank and such now so as not to re-contaminate the system with rust.
Really appreciate all the comments and help on the project, Many Thanks!
Steve.
They were all exhaust valves that were stuck, when all said and done there
were 4 on the one side and 3 on the other.
Pulled the valve covers, pulled the camshaft, stuck valves easily seen
the tappets would not return to the top.
A good magnet and I was able to pull the tappets out. Then a lot of
P.B. Blaster, and oil around the valve stems. Then the nervous part of how
hard to hit the valve with a heavy hammer and punch. After the first one
released, and I got a feel of how it was going to act, repeat on the other 6
valves.
After reassembly, an oil change and fuel finally getting up and around she fired off.
Runs beautifully, cleaning a fuel tank and such now so as not to re-contaminate the system with rust.
Really appreciate all the comments and help on the project, Many Thanks!
Steve.
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