How to Fix Exhaust Smell
Learn how to fix exhaust smell with our detailed step-by-step guide. Follow our easy instructions to get it done right.
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0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Identify Source of Exhaust Leak
Step 1: Identify Source of Exhaust Leak
Check for exhaust smell in cabin or outside, listen for hissing sounds, look for black soot marks.
Automotive Flashlight
Bright LED light for inspecting exhaust system
2 Step 2: Inspect Exhaust System for Holes
Step 2: Inspect Exhaust System for Holes
Examine muffler, pipes, flex pipe, and manifold for rust holes, cracks, or loose connections.
Mechanic Creeper
Rolling pad for lying under car safely
Jack Stands Pair
Safety stands for lifting car to inspect exhaust
3 Step 3: Check Exhaust Manifold Gasket
Step 3: Check Exhaust Manifold Gasket
Look for exhaust leak at engine manifold where it connects to cylinder head.
Exhaust Manifold Gasket Set
Replacement gaskets for manifold-to-head seal
4 Step 4: Repair Small Holes Temporarily
Step 4: Repair Small Holes Temporarily
Use exhaust tape or putty for temporary fix on small holes until permanent repair.
Exhaust Repair Tape
High-temperature wrap tape for exhaust leaks
Exhaust Putty
Heat-resistant putty for sealing small exhaust holes
5 Step 5: Replace Damaged Exhaust Components
Step 5: Replace Damaged Exhaust Components
Replace rusted or damaged muffler, pipes, or catalytic converter for permanent fix.
Exhaust Pipe Section
Replacement pipe for damaged exhaust section
Muffler Assembly
Complete muffler replacement for your vehicle
6 Step 6: Test for Leaks After Repair
Step 6: Test for Leaks After Repair
Start engine, check repaired areas for exhaust smoke or smell, listen for unusual sounds.