Ford Ranger Maintaince And Repair Manual page 467

... then the camshaft can be removed by sliding it out (shown), or unbolting a bearing cap (not
2. Position the cylinder head to allow access to the valve spring.
3. Use a valve spring compressor tool to relieve the spring tension from the retainer.
Due to engine varnish, the retainer may stick to the valve locks. A gentle tap with a hammer may help
to break it loose.
DISASSEMBLY
HOW TO USE THIS BOOK
shown)
Compress the valve spring ...
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