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No, older cars didn't have bleeder valves on the cooling systems.
From the factory, Pontiac engines do not have adjustable valves. You simple torque them down to 20-25 foot pounds.
Yes, there are bleeder valves for cooling systems for 99 Malibu.
A 2004 Pontiac Montana has an interference engine with very tight tolerances. These engines will suffer catastrophic failure if the valves and pistons are not in perfect sync.
If there is a bleeder valve, it would be located at the top of thermostat housing
it would proubly cost alot
In many cars YES, but not all cars.The engines will be "Interference Engines" or "Noninterference engines"When the belt breaks in interference engines the valves strike the pistons and bend.
Pneumatic valves are used to close valves in high-speed internal combustion engines, pneumatic valves are mostly to help racing engines to get to high speeds.
The camshaft.
Generally, the more valves an engine has the more efficient it is.
how to adjust valves on a 1050 kohler engines
For D7F 8 valve engines: Intake valves - 0.10mm, Exhaust valves - 0.20mm