please help engine knocking i just got it back - Maintenance and Repair Forum

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please help engine knocking i just got it back
Wednesday, August 29, 2007 12:47 PM
i have a 2.4l twin cam quad four just got the transmission work done which cost me 2 grand and last night the engine started knocking but only when u give it gas when its idling no knocking what might it be??

Re: please help engine knocking i just got it back
Wednesday, August 29, 2007 12:55 PM
Lower end bearing maybe?
Re: please help engine knocking i just got it back
Saturday, September 01, 2007 2:18 AM
It it a lower pitched or high pitched sounds, (knock, rattle, or tick) and how fast is the repitition.





Re: please help engine knocking i just got it back
Saturday, September 01, 2007 7:17 AM
The crankshaft to flywheel connection may be loose ....

This is many times what happens when re-installing a transmission. ...
Re: please help engine knocking i just got it back
Saturday, September 01, 2007 11:57 AM
Auto or manual? If an auto, loose torque converter bolts sound almost exactly like a rod knock. A pisspoor torque converter rebuild can sound that way too. Both happened to me when I had the trans rebuilt in my 83 Chevy truck. Took it back to them and made them replace the converter and use new bolts.



Re: please help engine knocking i just got it back
Tuesday, September 04, 2007 9:13 PM
its like a ticking sound but only when u give it gas might it be cam bearings
Re: please help engine knocking i just got it back
Wednesday, September 05, 2007 8:55 PM
its manual 5 speed
Re: please help engine knocking i just got it back
Thursday, September 06, 2007 4:56 AM
i bet they took the flywheel off and had it resurfaced, and didnt torque the bolts correctly when they reinstalled it...



Re: please help engine knocking i just got it back
Thursday, September 06, 2007 5:17 AM
Flywheel bolts are very sensative to torque and torqued in the correct order


- 2004 Cavalier - 124k, owned since new



Re: please help engine knocking i just got it back
Friday, September 07, 2007 8:44 AM
i had a new fidenza flywheel installed
Re: please help engine knocking i just got it back
Friday, September 07, 2007 8:58 AM
still could be the same problem..




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