System Diagram

2005 Buick Allure (CANADA) V6-3.6LSECTION System Diagram

Camshaft Timing Components - First Design





150 - Crankshaft Sprocket
151 - Primary Timing Chain Lower Guide
152 - Primary Timing Chain Tensioner
153 - Primary Timing Chain Tensioner Bolt
154 - Primary Timing Chain Lower Guide Bolt
155 - Primary Timing Chain
156 - Primary Timing Chain Upper Guide
157 - Primary Timing Chain Upper Guide Bolt
161 - Camshaft Intermediate Drive Shaft Sprocket Bolt
161 - Camshaft Intermediate Drive Shaft Sprocket Bolt
164 - Primary Timing Chain Tensioner Gasket
165 - Left Camshaft Intermediate Drive Shaft Sprocket
166 - Right Camshaft Intermediate Drive Shaft Sprocket
170 - Left Secondary Timing Chain
171 - Left Secondary Timing Chain Guide
172 - Left Secondary Timing Chain Guide Bolt
173 - Left Secondary Timing Chain Shoe
174 - Left Secondary Timing Chain Shoe Bolt
175 - Left Secondary Timing Chain Tensioner
176 - Left Secondary Timing Chain Tensioner Bolt
177 - Left Secondary Timing Chain Tensioner Gasket
180 - Right Secondary Timing Chain
181 - Right Secondary Timing Chain Guide
182 - Right Secondary Timing Chain Guide Bolt
183 - Right Secondary Timing Chain Shoe
184 - Right Secondary Timing Chain Shoe Bolt
185 - Right Secondary Timing Chain Tensioner
186 - Right Secondary Timing Chain Tensioner Bolt
187 - Right Secondary Timing Chain Tensioner Gasket
190 - Left Exhaust Camshaft Position Actuator
191 - Left Intake Camshaft Position Actuator
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
193 - Right Exhaust Camshaft Position Actuator
194 - Right Intake Camshaft Position Actuator

Camshaft Timing Components - Second Design

Camshaft Timing Components - First Design:





150 - Crankshaft Sprocket
151 - Primary Timing Chain Lower Guide
152 - Primary Timing Chain Tensioner
153 - Primary Timing Chain Tensioner Bolt
154 - Primary Timing Chain Lower Guide Bolt
155 - Primary Timing Chain
156 - Primary Timing Chain Upper Guide
157 - Primary Timing Chain Upper Guide Bolt
161 - Camshaft Intermediate Drive Shaft Sprocket Bolt
161 - Camshaft Intermediate Drive Shaft Sprocket Bolt
164 - Primary Timing Chain Tensioner Gasket
165 - Left Camshaft Intermediate Drive Shaft Sprocket
166 - Right Camshaft Intermediate Drive Shaft Sprocket
170 - Left Secondary Timing Chain
171 - Left Secondary Timing Chain Guide
172 - Left Secondary Timing Chain Guide Bolt
173 - Left Secondary Timing Chain Shoe
174 - Left Secondary Timing Chain Shoe Bolt
175 - Left Secondary Timing Chain Tensioner
176 - Left Secondary Timing Chain Tensioner Bolt
177 - Left Secondary Timing Chain Tensioner Gasket
180 - Right Secondary Timing Chain
181 - Right Secondary Timing Chain Guide
182 - Right Secondary Timing Chain Guide Bolt
183 - Right Secondary Timing Chain Shoe
184 - Right Secondary Timing Chain Shoe Bolt
185 - Right Secondary Timing Chain Tensioner
186 - Right Secondary Timing Chain Tensioner Bolt
187 - Right Secondary Timing Chain Tensioner Gasket
190 - Left Exhaust Camshaft Position Actuator
191 - Left Intake Camshaft Position Actuator
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
192 - Camshaft Position Actuator Bolt
193 - Right Exhaust Camshaft Position Actuator
194 - Right Intake Camshaft Position Actuator
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.