cold start ticking
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cold start ticking - 11/8/2007 9:52:57 AM
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george2041
Posts: 2
Joined: 11/8/2007
Status: offline
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On cold start my 2000 1500 5.3l ticks loudly for about 15 secs. It's pushing 200k. Could it be timing issues? Oil has just been changed.
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RE: cold start ticking - 11/8/2007 5:09:02 PM
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chevyblues
Posts: 24
Joined: 8/27/2006
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Don't know if this is your issue. I remember an old engine, about 200k miles, that did the same thing and it turned out that the rocker arms were worn down so that the oil passages were smoothed out on them. The oil couldn't flow where it needed to when cold and caused the ticking sound. Once the rocker arms were replaced, everything was good.
chevyblues
'95 Z71, 5.7l, HD 5 speed, Borla, K&N, Jacobs, Bosch +4, Air Lift
148,000
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RE: cold start ticking - 11/8/2007 9:20:58 PM
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scottkern3
Posts: 14
Joined: 11/1/2007
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make sure spark plug wires and plugs are snug.
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RE: cold start ticking - 11/9/2007 7:26:32 AM
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Old Coot
Posts: 104
Joined: 4/24/2007
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Another possibility is exhaust manifold bolts are a little loose or sometimes a crack in the manifold. Leaks till it gets hot and expands.
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RE: cold start ticking - 11/9/2007 11:10:21 AM
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george2041
Posts: 2
Joined: 11/8/2007
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Thanks for the great tips.......
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RE: cold start ticking - 11/10/2007 3:34:55 AM
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03chevyrustbucket
Posts: 22
Joined: 10/27/2007
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I had the same problem with my 03, it turned out to be the manifold bolts had rusted so bad that it made the manifold lose just enough to leak and sound like lifter nose when you started it. Look really close you might see a black spot on the head where it is leaking. Thank goodness chevy paid to have it fixed because in the end it would have cost me 2500.00 because the dealer couldn't get all the bolts out of one head and they had to replace the head.
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RE: cold start ticking - 11/10/2007 10:18:11 AM
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MalibuMaxxSS
Posts: 598
Joined: 11/18/2006
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quote:
ORIGINAL: 03chevyrustbucket
I had the same problem with my 03, it turned out to be the manifold bolts had rusted so bad that it made the manifold lose just enough to leak and sound like lifter nose when you started it. Look really close you might see a black spot on the head where it is leaking. Thank goodness chevy paid to have it fixed because in the end it would have cost me 2500.00 because the dealer couldn't get all the bolts out of one head and they had to replace the head.
if it only last for 15 seconds its not likely your maifold..it will sound similar but a manifld wont stop after 15 seconds, sounds like carbon build up, or a lifter ticking.......
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