How to Replace Water Pump
Learn how to replace water pump with our detailed step-by-step guide. Follow our easy instructions to get it done right.
Your Progress
0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Diagnose Failing Water Pump
Step 1: Diagnose Failing Water Pump
Check for coolant leak from weep hole, bearing noise, or overheating indicating pump failure.
Coolant Pressure Tester
Tester for diagnosing cooling system leaks
2 Step 2: Drain Cooling System
Step 2: Drain Cooling System
Open radiator drain cock or remove lower hose, drain coolant into pan for disposal.
Large Drain Pan
16-quart capacity pan for collecting coolant
3 Step 3: Remove Serpentine Belt and Accessories
Step 3: Remove Serpentine Belt and Accessories
Release belt tensioner, remove belt, unbolt any components blocking water pump access.
Serpentine Belt Tool Set
Tools for releasing belt tensioner
Socket Set
Metric sockets for removing pump and accessories
4 Step 4: Unbolt and Remove Old Water Pump
Step 4: Unbolt and Remove Old Water Pump
Remove pump mounting bolts, pull pump off engine block, scrape off old gasket material.
Gasket Scraper Tool
Plastic scraper for removing gasket residue
5 Step 5: Install New Water Pump with Gasket
Step 5: Install New Water Pump with Gasket
Apply new gasket or RTV sealant, bolt new pump to block, torque bolts to specification.
Water Pump Assembly
Replacement water pump with gasket for your vehicle
RTV Silicone Gasket Maker
High-temp sealant for water pump gasket
6 Step 6: Reinstall Components and Refill Coolant
Step 6: Reinstall Components and Refill Coolant
Reinstall belt and accessories, refill with 50/50 coolant, bleed air, check for leaks.
Engine Coolant 50/50
Pre-mixed antifreeze for refilling system (2 gallons)