DPTOOL Engine Timing Tool Kit for GM 2.0L LSY & 2.7L L3B — Complete OEM-Style Camshaft Alignment & Tensioner Lock Set

A complete DPTOOL timing tool kit engineered to lock, align and retain camshafts, phasers, chain tensioners and the flywheel for GM 2.0L LSY and 2.7L L3B engine timing service.

This professional-grade tool set reproduces the functionality of factory service tools (OEM references EN-52436, EN-52461, EN-52462, EN-52476, EN-52442 and related adapters) so you can perform camshaft actuator, timing chain and OCV work on modern GM engines without guesswork. The kit brings together the special alignment pins, torque-reaction fixtures, tensioner retention device and flywheel lock needed to hold precise timing positions while removing or installing oil control valves, actuators, crank or cam fasteners.

How does this kit simplify camshaft actuator and OCV service?

When removing oil control valves or camshaft actuators, the phasers and actuators must be immobilized to prevent timing drift and to avoid damage. DPTOOL’s camshaft alignment and torque-reaction pieces hold the phasers and actuators in the timed position while you service the OCVs or replace components.

• Includes EN-52461-style torque reaction tool to stabilize cam phasers
• Camshaft alignment tool EN-52462-a keeps timing accurate during disassembly
• Tensioner retention tool EN-52436 removes slack from the chain for safe service

Which vehicle models and engines will this set fit?

This kit covers GM turbocharged 2.0L LSY and 2.7L L3B engines across many platforms and model years. It’s specified for a broad list of Buicks, Cadillacs, Chevrolets and GMCs that use these engines, matching factory tool applications.

• 2.0L LSY: CT5, CT6, XT4, XT5, XT6, Envision, Blazer, Acadia (model years listed 2016–2024 depending on model)
• 2.7L L3B: CT4, CT4‑V, Colorado, Canyon, Silverado 1500, Sierra 1500 (2019–2024 coverage)
• OEM equivalence: EN-52436, EN-52461, EN-52462, EN-52476, EN-52442 and variant adapters

What parts are included and what do they do?

The kit bundles multiple specialty tools so each step of timing service is covered: holding, aligning, locking and adapting. Each piece replicates the geometry of the factory tools so bolts can be torqued with the components correctly restrained.

• EN-52436: timing chain tensioner retention tool to hold removed tensioners
• EN-52461 & EN-52461-100/200: camshaft torque-reaction and adapter pieces for phaser support
• EN-52462-a: camshaft alignment tool to set phaser indexing precisely
• EN-52476: starter-replacement flywheel locking tool to secure the ring gear during torqueing
• EN-52442: balance shaft holding tool to prevent unwanted rotation

What important usage notes and precautions should I follow?

Using the correct sequence and retracting locking pins when required avoids tool or engine damage. The flywheel lock installs in place of the starter and features a spring‑loaded pin that must be disengaged before torqueing fasteners.

• Install EN-52476 in place of the starter and rotate until the lock pin engages the timing hole
• Always retract the timing pin before applying torque to any fastener
• Follow vehicle manufacturer service procedures for phaser and chain removal/installation

Who this kit is for: Professional mechanics, advanced DIY technicians and independent shops that service GM 2.0L LSY and 2.7L L3B engines will benefit most from this DPTOOL set. If you perform camshaft actuator, timing-chain or oil-control-valve maintenance and need reliable, factory‑equivalent holding, alignment and locking tools, this kit supplies the necessary fixtures to work safely and accurately.