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Chevy Colorado and GMC Canyon Engine Problems

389 messages,  Last post on Nov 10, 2009 at 8:32 PM

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#246 of 389 Engine Tapping at start up by bonz1 Sep 14, 2008 (1:21 pm)
I have a 08' Colorado, I-5 with 4500 miles. My question is at cold start up I hear what appears to be the valveIt only lasts for 2-3 seconds. Just don't feel that the engine should do that. Took it to the dealer and was told it was baffles in the muffler.(?) Didn't believe him and it still occurs. Back for a second trip. Tech checked the settings and was told that it is normal for the truck(excuse). Stopped back and started 4 vehicles with I-5's. 3 out of 4 tapped at cold start. The one that didn't had been driven earlier. Love the truck. Power is great! comfortable but if this thing is going to suck or bend a valve at 50000 miles I'm going to unload it. Has anyone else been experiencing this? Thanks Replies to this message: poncho167 (Sep 15, 2008 8:27 am) bonz1 (Sep 15, 2008 4:37 pm) jpf (Sep 17, 2008 7:25 pm) poncho167 (Sep 20, 2008 10:00 am) donnyr (Sep 21, 2008 6:24 am) bonz1 (Sep 21, 2008 10:23 am) gfcar (Sep 30, 2008 5:38 pm) leadfoot4 (Oct 05, 2008 5:00 am) gmeraz (Oct 12, 2008 5:33 pm) and 2 more... lift4041 (Sep 21, 2008 2:32 pm) leadfoot4 (Sep 22, 2008 4:34 am) lift4041 (Sep 24, 2008 1:48 pm) poncho167 (Sep 24, 2008 3:50 pm) dbcrue (Sep 25, 2008 8:13 pm)
#248 of 389 Re: Engine Tapping at start up [bonz1] by poncho167 Sep 15, 2008 (8:27 am)
Replying to: bonz1 (Sep 14, 2008 1:21 pm) In some trucks it is a normal sound of the fuel injectors. Replies to this message: bonz1 (Sep 15, 2008 4:37 pm) jpf (Sep 17, 2008 7:25 pm) poncho167 (Sep 20, 2008 10:00 am)
#249 of 389 Re: Engine Tapping at start up [poncho167] by bonz1 Sep 15, 2008 (4:37 pm)
Replying to: poncho167 (Sep 15, 2008 8:27 am) thanks for the help. Do you know if it is common in the I-5?   Thanks Replies to this message: jpf (Sep 17, 2008 7:25 pm) poncho167 (Sep 20, 2008 10:00 am)
#250 of 389 Re: Engine Tapping at start up [bonz1] by jpf Sep 17, 2008 (7:25 pm)
Replying to: bonz1 (Sep 15, 2008 4:37 pm) Check out the forum for engine problems. Also, you may consider switching to a higher quality oil (e.g. synthetic). Good luck.
#251 of 389 Re: Engine Tapping at start up [bonz1] by poncho167 Sep 20, 2008 (10:00 am)
Replying to: bonz1 (Sep 15, 2008 4:37 pm) No, I am not sure about the I5 and fuel injector sounds. A friend has a Dodge Intrepid and that was his issue though his injectors were going bad. Sounded almost like the engine valves initially when I checked it out.   Put some fuel injector cleaner in the gas and see what happens.
#252 of 389 Re: Engine Tapping at start up [bonz1] by donnyr Sep 21, 2008 (6:24 am)
Replying to: bonz1 (Sep 14, 2008 1:21 pm) hi  sorry to hear about your problem .I also had the same issue read my post on my 08 canyon they finally had to take it back . the problem centers around the timing chain tensioner. They adjusted mine and the issue went away not totally but better .I didnt accept it. Now i have another 08 canyon which had the same issue they adjusted the tensioner and i am pleased with it so far. My truck (#1) had less than a thosand miles on it at the time . Don't let them tell you that this issue doesn't exist. I researched it and went to dealers and cranked brand new trucks and it is not some common to the I-5 eng GM HAS AN ISSUE!!! stick to your guns GM has a fix and knows ful well that it is an issue .don' let them snow you with the warrenity thats a cop out. I use the word ISSUE because GM says THAT IT IS NOT A PROBLEM BUT AN ISSUE, TO ME IT's A SERIOUS PROBLEM GOOD LUCK semper fi Replies to this message: bonz1 (Sep 21, 2008 10:23 am) gfcar (Sep 30, 2008 5:38 pm) leadfoot4 (Oct 05, 2008 5:00 am) gmeraz (Oct 12, 2008 5:33 pm) dbcrue (Oct 14, 2008 11:37 am) and 1 more...
#253 of 389 Re: Engine Tapping at start up [donnyr] by bonz1 Sep 21, 2008 (10:23 am)
Replying to: donnyr (Sep 21, 2008 6:24 am) Thanks for the help. I'll make a call monday.
#254 of 389 Re: Engine Tapping at start up [bonz1] by lift4041 Sep 21, 2008 (2:32 pm)
Replying to: bonz1 (Sep 14, 2008 1:21 pm) I have a 2004 that does the same thing. I was told that its because i had install the wrong type of oil filter, one with out a check valve. But I know that is not the reason for the sound. I've been changing the oil regularily and have had installed factor GM filter. My sound is getting worse and it now clatters while driving down the road. I to love my truck and am concerned about the problem. I have been a Mechanic for over 30 years and I know what loose or bad valves sound like, But the dealer said that my problem isn't covered by the GM warrantee or recall letter because there isn't any trouble codes that come up or any miss fires. So as it is right now. They will not do any thing and probably never will. Replies to this message: leadfoot4 (Sep 22, 2008 4:34 am) lift4041 (Sep 24, 2008 1:48 pm) poncho167 (Sep 24, 2008 3:50 pm) dbcrue (Sep 25, 2008 8:13 pm)

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