How to Fix Exhaust Leak
Learn how to fix exhaust leak 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: Locate Exhaust Leak
Step 1: Locate Exhaust Leak
Listen for hissing or ticking noise, look for black soot marks on exhaust components.
Mechanic Creeper
Rolling pad for lying under car to inspect exhaust
2 Step 2: Identify Leak Type
Step 2: Identify Leak Type
Determine if leak is at gasket, cracked pipe, rusted hole, or loose connection.
3 Step 3: Replace Exhaust Gaskets
Step 3: Replace Exhaust Gaskets
If leak at manifold or pipe connection, remove bolts and install new gasket.
Exhaust Manifold Gasket
Replacement gasket for manifold-to-head seal
Exhaust Pipe Gasket
Donut gasket for pipe connections
4 Step 4: Repair Small Holes Temporarily
Step 4: Repair Small Holes Temporarily
Use high-temp tape or putty for temporary fix on small holes until permanent repair.
Exhaust Repair Tape
Heat-resistant wrap tape for exhaust leaks
Muffler Repair Putty
High-temp epoxy putty for sealing exhaust holes
5 Step 5: Replace Damaged Pipe Section
Step 5: Replace Damaged Pipe Section
Cut out rusted or cracked section, install new pipe with clamps or welding.
Exhaust Pipe Section
Universal flex pipe or straight pipe for repairs
Exhaust Band Clamps
Heavy-duty clamps for connecting pipes (2-pack)
6 Step 6: Test Repair
Step 6: Test Repair
Start engine, check repaired area for leaks, listen for unusual exhaust sounds.