Loose timing chain replacement

edgephoto · Apr 10, 2025

Here is what the new chain looks like for reference. The chain and gears are original to this engine. I have owned the truck since 1988. Original cam gear was aluminum and had nylon covered teeth. GM did that to make the setup quiet.

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dec322 · Apr 10, 2025

My new timing chain set is on the way…along with a tool to pull the camshaft pulley off. My current chai. Has about the same amount of slack as edgephoto’s first video

peats · Monday at 1:41 PM

Crank gear does not need to be removed to install a timing chain but cam gear will have to be unbolted.

idahovette · Monday at 1:54 PM

All the timing gear sets I've ever seen are matched sets........chain and both gears??

dec322 · 2025-04-19T05:57:30-0400

idahovette said:
All the timing gear sets I've ever seen are matched sets........chain and both gears??

Mine is a matched set. I hope to replace it this weekend….if I have time.

Loose timing chain replacement

edgephoto

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dec322

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peats

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idahovette

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dec322

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