How to Clean Your EGR Valve
Clean and inspect the vacuum hose., Inspect the EGR valve for damage., Clean the return tube and gas entry port., Clean out the entry port., Reinstall the EGR valve.
Step-by-Step Guide
-
Step 1: Clean and inspect the vacuum hose.
Remove the vacuum hose and inspect closely for wear (cracks or weak spots), then clean out the carbon deposits either with a spray can of carburetor cleaner or with a pipe cleaner if the deposits are hardened or compacted. -
Step 2: Inspect the EGR valve for damage.
Loosen any bolts fastening the EGR valve to the engine.
Inspect the gasket lining the bottom plate of the valve.
If it's not frayed or cracked, you can reuse it. , Use carburetor cleaner and a small-bristled brush like a wire brush, toothbrush or pipe cleaner to clean off the carbon from the metal exhaust gas return tube and the gas entry port on the valve (usually the smaller hole with a spring-loaded pin, or “pintle”).
If there is a lot of carbon build up around the EGR valve, you may also want to just save yourself some time and replace it with a new one. , The entry port is where the valve tubes connect to the engine (usually the intake manifold) while the EGR valve is off. , Check to ensure the vacuum diaphragm moves freely, reinstall the EGR valve and reattach the exhaust return and vacuum hoses. -
Step 3: Clean the return tube and gas entry port.
-
Step 4: Clean out the entry port.
-
Step 5: Reinstall the EGR valve.
Detailed Guide
Remove the vacuum hose and inspect closely for wear (cracks or weak spots), then clean out the carbon deposits either with a spray can of carburetor cleaner or with a pipe cleaner if the deposits are hardened or compacted.
Loosen any bolts fastening the EGR valve to the engine.
Inspect the gasket lining the bottom plate of the valve.
If it's not frayed or cracked, you can reuse it. , Use carburetor cleaner and a small-bristled brush like a wire brush, toothbrush or pipe cleaner to clean off the carbon from the metal exhaust gas return tube and the gas entry port on the valve (usually the smaller hole with a spring-loaded pin, or “pintle”).
If there is a lot of carbon build up around the EGR valve, you may also want to just save yourself some time and replace it with a new one. , The entry port is where the valve tubes connect to the engine (usually the intake manifold) while the EGR valve is off. , Check to ensure the vacuum diaphragm moves freely, reinstall the EGR valve and reattach the exhaust return and vacuum hoses.
About the Author
Alexis Butler
A passionate writer with expertise in practical skills topics. Loves sharing practical knowledge.
Rate This Guide
How helpful was this guide? Click to rate: