Ecotec Timing Chain Replacement Procedures

Cody Smith from Cloyes Gear and Products presents version 2 of the Ecotec timing chain replacement video. The video expands on the original by addressing common questions and covering later model VVT engines. It details the components and kits available for the Ecotec engine, including primary timing chain sets and balance shaft kits. The video provides step-by-step instructions for disassembling and installing timing components, ensuring proper alignment and torque specifications. It also highlights differences in VVT and forced induction engines, offering guidance on handling these variations. The video concludes with a reminder to check timing marks and offers contact information for further assistance.

What is the main purpose of the updated version of the Ecotec timing chain replacement video?

• To introduce new products

• To expand on the original video and address common questions

• To showcase customer testimonials

• To demonstrate advanced engine tuning techniques

Which part number corresponds to the primary timing chain set that includes the chain, tensioner, guides, sprockets, cam sprocket bolts, and oiling nozzle?

• 9-4201S

• 9-4202S

• 9-4202SX

• 9-4201SA

What should be done before removing any components during the timing chain replacement?

• Drain the coolant

• Rotate the engine to number 1 top dead center on the exhaust stroke

• Disconnect the battery

• Remove the oil pan

What tool is used to remove the primary tensioner during disassembly?

• 24 millimeter wrench

• 10 millimeter hex drive

• 32 millimeter or inch and 1/4 wrench or socket

• 5/32 punch or drill bit

What should be done if the timing system has failed and individual shafts need to be rotated?

• Remove the spark plugs

• Use a torque wrench

• Take care to avoid piston to valve contact

• Rotate the engine by hand

What is the torque specification for the VVT phaser attachment bolts?

• 55 foot-pounds

• 37 foot-pounds

• 63 foot-pounds plus an additional 30 degrees

• 22 foot-pounds plus an additional 100 degrees

What must be done to the balance shaft chain tensioner before installation?

• Apply gasket or silicone

• Lubricate it with oil

• Install it in the activated state

• Deactivate it and then activate it against the tensioner guide

How should the intake cam sprocket be aligned during the installation of the timing chain?

• With the uniquely colored chain link

• With the water pump

• With the crankshaft nose

• With the exhaust cam sprocket timing mark

What should be done before activating the primary chain tensioner?

• Shift all chain slack to the tensioner side using the harmonic balancer

• Install the valve cover

• Rotate the engine by hand

• Apply thread sealant

What is the torque specification for the front cover bolts?

• 18 foot-pounds

• 55 foot-pounds

• 66 foot-pounds

• 89 inch pounds