The EGR (Exhaust Gas Recirculation) valve on a 1994 Buick Roadmaster Limited is typically located on the engine's intake manifold, near the throttle body. It is usually positioned towards the back of the engine, making it somewhat challenging to access. You may need to remove some components or use a mirror to clearly view it. Always consult a repair manual for specific details and diagrams.
driver side valve cover
93 Roadmaster.... that's a 5.7L engine, right? It should be attached to the intake with 2 bolts. Look for the thing that looks like a Chevy Smallblock EGR valve. Also, if you're replacing the valve because you have an EGR code make sure you don't have a clogged passage in the intake acting like a bad valve.
On the engine side of the firewall and on the passenger side of vehicle. You should see two hoses. One goes all the way to the radiator and the other makes a U-turn - that one is your heater valve.
pcv is located on the engine valve cover will have a black rubber hose attached to it
located on left side of intake manifold and removed by pulling out a curled up hose that is attached to it (approx. 5/8 in diameter)
To fix the proportioning valve on a 1992 Buick Roadmaster, first, safely lift the vehicle and remove the rear wheels for access. Inspect the valve for leaks or damage and replace it if necessary. If the valve is functioning but improperly adjusted, bleed the brake system to ensure proper fluid flow and adjust the valve according to the manufacturer's specifications. Finally, test the brakes to ensure proper operation before putting the vehicle back on the road.
located on vale cover
The PCV (Positive Crankcase Ventilation) valve on a 1988 Buick Regal Limited is typically located on the valve cover. It is often positioned on the driver's side, secured in a grommet or a fitting. You may need to remove any hoses connected to it for easier access. Always consult the vehicle's service manual for specific details and diagrams for your model.
The head has to be removed on the 1993 Roadmaster to get to the gasket. You will need to remove the intake, exhaust manifold, and valve cover then unbolt the head to remove it. Check the head for warpage while it is removed.
The PCV valve on a 1995 Buick Park Avenue is located on the top of the valve cover. Twist the valve and pull to remove and replace it.
The PCV valve for a 2001 Buick LeSabre is located in the top of one of the valve covers. It is a plug in unit and is easily changed.
where is the pcv valve located on a 2001 buick lesabre