Performance Water Pump & Timing Chain Kit for Chevrolet HHR (2009-2011) 2.2L

Direct-Fit Timing Chain & Water Pump Service Kit for 2009-2011 Chevrolet HHR (Delta Platform)

What it Does: The Performance Water Pump & Timing Chain Kit synchronizes the camshaft and crankshaft rotation while restoring cooling efficiency on 2009-2011 Chevrolet HHR models to eliminate timing chain slack, prevent valve-to-piston contact, and ensure reliable thermal regulation.

The Stock Chevrolet HHR Valvetrain & Cooling Vulnerabilities

The factory 2.2L Ecotec interference valvetrain in the Delta chassis relies on nylon-backed composite chain guide rails and hydraulic tensioners that fatigue over extended heat cycles. Chronic oil starvation or tensioner bleed-down causes excessive chain whip, leading to fractured upper guides, jumped camshaft timing, and catastrophic valve damage. Simultaneously, the factory water pump impeller bearings degrade, creating internal coolant leaks and cooling system aeration that accelerate thermal breakdown of the engine oil and valvetrain components.

The Engineering Solution

This comprehensive service package replaces brittle factory wear components with high-tensile link-plate chains engineered for high fatigue endurance. Precision-molded, heat-stabilized guide rails resist friction grooving and chain slap. The matched VVT camshaft actuators, variable valve timing solenoids, and updated balance shaft assemblies correct dynamic valve timing drift, eliminate destructive engine harmonics, and restore critical oil pressure stability. The included direct-fit replacement water pump features heavy-duty bearings and precision seals to maintain steady cooling flow under sustained operational loads.

What's Included

• 1 Timing Chain (148 Links)
• 1 Timing Chain Balance Shaft (134 Links)
• 1 Tensioner
• 1 Balance Shaft Tensioner
• 2 VVT Camshaft Gears (2 Exhaust)
• 1 Exhaust Camshaft Position Actuator
• 1 Intake Variable Valve Timing Solenoid
• 1 Exhaust Variable Valve Timing Solenoid
• 1 Crank Sprocket (23 Teeth)
• 1 Crank Sprocket (Inner - 42 Teeth)
• 1 Balance Shaft Sprocket (Intake Side)
• 1 Balance Shaft Sprocket (Exhaust Side)
• 1 Guide Rail (Tensioner Guide)
• 1 Guide Rail (Left for Cam Chain)
• 1 Guide Rail (Upper for Cam Chain)
• 1 Guide Rail Balance Shaft (Upper)
• 1 Guide Rail Balance Shaft (Left)
• 1 Guide Rail Balance Shaft (Right)
• 1 Water Pump W/ Gasket
• 1 Timing Cover Gasket Set

Technical Specifications

Compatibility

• 2009 Chevrolet HHR 2.2L L4 (LS, LT)
• 2010 Chevrolet HHR 2.2L L4 (LS, LT)
• 2011 Chevrolet HHR 2.2L L4 (LS, LT)

Frequently Asked Questions & Fitment Warnings

Does this fit the Delta HHR?

Yes, this is a direct fit for the 2009-2011 Chevrolet HHR equipped with the 2.2L LAP or LE8 Ecotec engine; it does not fit early pre-2009 non-VVT 2.2L L61 platforms or the 2.0L Turbo LNF.

Do I need special timing tools to install this kit?

Yes, GM Ecotec camshaft holding fixtures and a dedicated water pump sprocket retention tool are required to service the timing set and pump without losing chain alignment.

The Chevrolet Reliability Standard

Engineered for high-mileage dependability, this comprehensive overhaul package resolves persistent chain rattle, camshaft phasing errors, and cooling system wear to keep the versatile GM utility platform operating strictly within factory tolerances.