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Home » Public Forums » GMCnet » [GMCnet] Simple way to check the condision of your timing chain
Re: [GMCnet] Simple way to check the condision of your timing chain [message #329442 is a reply to message #329437] Fri, 23 February 2018 13:42 Go to previous message
Dave Stragand is currently offline  Dave Stragand   United States
Messages: 307
Registered: October 2017
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Senior Member
On my '68 Caddy (472ci) I could simply reach in with a finger and feel
the slop in the chain (engine OFF, of course). I was watching a youtube
video on replacing the chain on the 455 and it looks like it's similar.

https://www.youtube.com/watch?v=B6rb5igyBWo

It looks like on my 403, I could even check this from inside the coach
by just removing the fuel pump. Not as good as Bob's more exact method,
but do y'all think it may be a good idea to check this way while you're
changing the fuel pump?

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1978 Transmode (403) Pittsburgh, PA
 
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