Can I change valve stem seals without removing heads?
The worn seals cause oil to leak between the valve stem and guide, causing blue-gray smoke to come out of the tail pipe every time you start the engine. On most vehicles, it’s possible to replace these valve seals without removing the head.
Is it possible to change the valve seals without removing the head?
On most vehicles, it’s possible to replace these valve seals without removing the head. With the right tools, learn to perform this job in your garage and save a lot on repair costs. Remove the air cleaner assembly from the top of the engine with a Phillips-head screwdriver to gain access to the valve cover on the cylinder head (s).
How much does it cost to replace a valve guide seal?
The result will be a large cloud of white smoke coming out of the tailpipe after you first start the car. The cost of replacing your valve guide seals will vary according to the make and model of your vehicle. The good news is the cost of the parts for valve guide seals is between $30 to $100 on average.
What causes oil to collect in the valve seals?
When the vehicle is nose-down like this, oil collects around the front of the cylinder head near the valve seals. When you eventually need to apply the gas pedal again, the car nose will tilt up and pour the oil that had collected at the front of the head over the valve seals.
What are the symptoms of a bad valve guide seal?
Check the spark plugs for spark plug fouling. A compression test on a vehicle with a bad valve guide seal may show unusually high compression – if you see low compression along with these other symptoms, it may be a bad piston ring or a leaky head gasket instead.
On most vehicles, it’s possible to replace these valve seals without removing the head. With the right tools, learn to perform this job in your garage and save a lot on repair costs. Remove the air cleaner assembly from the top of the engine with a Phillips-head screwdriver to gain access to the valve cover on the cylinder head (s).
Can a valve spring and seal be replaced?
You can now replace the valve spring or seals. Repeat the process until all springs or seals have been taken care of. “On this job, we only needed to replace the valve stem seal as the customer had issues with lots of smoke coming out of the tail pipe.
The result will be a large cloud of white smoke coming out of the tailpipe after you first start the car. The cost of replacing your valve guide seals will vary according to the make and model of your vehicle. The good news is the cost of the parts for valve guide seals is between $30 to $100 on average.
How do you replace a valve stem seal?
Hold the seal on your pick, line it up with the top of the valve and drop the seal. Pictures describe it better: Now take your 10mm deep socket on an extension and place it lightly on top of the seal. I moved it in a circular motion to eased it over the top of the valve stem, pushed it to the bottom, and felt it “pop” into place.