Loud "POP/POW" from 06-07 Si Coupe and Sedan

ProspeedCTR · 03-10-2007, 12:54 PM

Alright I have heard this sound twice from my 07 Si Sedan once and from a 06 Si Coupe once and was wondering if I was the only one that has heard this. Its a loud "POP or POW" from the engine compartment when I launched the car from a stand still and as soon as I hit second "POW". I head it when I PDIed (Pre Delivery Inspection) the 06 Si Coupe and on the first night I had my 07 Si Sedan. WTF Happened??

BATANG CITY JAIL · 03-10-2007, 12:57 PM

ha? pop-pow?

pop-pow,pow,pow! x 4
v-tec enguaging? exhaust back firing? tires blowing up? you hit something (like cat,dog,duck,bird) twice?

ProspeedCTR · 03-10-2007, 12:59 PM

I wonder if it has anything to do with that weak looking engine mount on the oil pan or the passenger side dog bone mount?

BATANG CITY JAIL · 03-10-2007, 01:00 PM

maybe wheel hop.

ProspeedCTR · 03-10-2007, 01:02 PM

Quote:

Originally Posted by BATANG CITY JAIL

maybe wheel hop.

But it was a soft launch and I didn't feel the tires spin at all.

BATANG CITY JAIL · 03-10-2007, 01:06 PM

your a honda technician right? you should know that...

last guess ,gear shifting/changing.

ProspeedCTR · 03-10-2007, 01:14 PM

Quote:

Originally Posted by BATANG CITY JAIL

your a honda technician right? you should know that...

last guess ,gear shifting/changing.

Yes I am but I have only got the car to do it ONCE and if I can't replicate the problem with one car then I won't be able to find out what is wrong with it but I don't want to use my car as a guinea pig. I will check out Honda's "iN Network" in a few to see what I can find and see if they say anything about it.

BATANG CITY JAIL · 03-10-2007, 01:27 PM

^^ oh.. let us know..

I-NTEC · 03-10-2007, 08:23 PM

its the strut

suil · 03-10-2007, 08:27 PM

Quote:

Originally Posted by ProspeedCTR

Alright I have heard this sound twice from my 07 Si Sedan once and from a 06 Si Coupe once and was wondering if I was the only one that has heard this. Its a loud "POP or POW" from the engine compartment when I launched the car from a stand still and as soon as I hit second "POW". I head it when I PDIed (Pre Delivery Inspection) the 06 Si Coupe and on the first night I had my 07 Si Sedan. WTF Happened??

Is in the right side of the car, when the tires are bouncing?

***NewEdgePerf*** · 03-10-2007, 08:28 PM

Would it be a stock, soft motor mount bottoming out on a hard launch? Sometimes, the air gaps and the soft compound of the motor mount bushing will allow so much movement under an extreme launch, that the center of the mount hits the outer edge. Or, the motor or trans may be making contact with a crossmember or the unibody.

Tony D

03-10-2007, 12:54 PM	#1 (permalink)
ProspeedCTR Senior Member Join Date: Feb 2007 Location: South GA Age: 26 Posts: 130 Honda Technician iTrader: 1 / 100%	Loud "POP/POW" from 06-07 Si Coupe and Sedan Alright I have heard this sound twice from my 07 Si Sedan once and from a 06 Si Coupe once and was wondering if I was the only one that has heard this. Its a loud "POP or POW" from the engine compartment when I launched the car from a stand still and as soon as I hit second "POW". I head it when I PDIed (Pre Delivery Inspection) the 06 Si Coupe and on the first night I had my 07 Si Sedan. WTF Happened??

03-10-2007, 08:28 PM	#11 (permalink)
*NewEdgePerf* 8thcivic Sponsor Join Date: Nov 2006 Location: Cresaptown, Md Posts: 133 Tony D iTrader: 2 / 100%	Would it be a stock, soft motor mount bottoming out on a hard launch? Sometimes, the air gaps and the soft compound of the motor mount bushing will allow so much movement under an extreme launch, that the center of the mount hits the outer edge. Or, the motor or trans may be making contact with a crossmember or the unibody. Tony D __________________ Specializing in Parts for the New Civic and Honda Fit. Dealer for Progress, Ingalls, and more! www.newedgeperformance.com

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03-10-2007, 12:57 PM	#2 (permalink)
BATANG CITY JAIL Senior Member Join Date: Jul 2006 Location: Durham, NC..£╖╒◙o├æ Posts: 8,327 iTrader: 10 / 100%	ha? pop-pow? pop-pow,pow,pow! x 4 v-tec enguaging? exhaust back firing? tires blowing up? you hit something (like cat,dog,duck,bird) twice?

03-10-2007, 12:59 PM	#3 (permalink)
ProspeedCTR Senior Member Join Date: Feb 2007 Location: South GA Age: 26 Posts: 130 Honda Technician iTrader: 1 / 100%	I wonder if it has anything to do with that weak looking engine mount on the oil pan or the passenger side dog bone mount?

03-10-2007, 01:00 PM	#4 (permalink)
BATANG CITY JAIL Senior Member Join Date: Jul 2006 Location: Durham, NC..£╖╒◙o├æ Posts: 8,327 iTrader: 10 / 100%	maybe wheel hop.

03-10-2007, 01:06 PM	#6 (permalink)
BATANG CITY JAIL Senior Member Join Date: Jul 2006 Location: Durham, NC..£╖╒◙o├æ Posts: 8,327 iTrader: 10 / 100%	your a honda technician right? you should know that... last guess ,gear shifting/changing.

03-10-2007, 01:27 PM	#8 (permalink)
BATANG CITY JAIL Senior Member Join Date: Jul 2006 Location: Durham, NC..£╖╒◙o├æ Posts: 8,327 iTrader: 10 / 100%	^^ oh.. let us know..

03-10-2007, 08:23 PM	#9 (permalink)
I-NTEC Senior Member Join Date: Oct 2006 Posts: 307 iTrader: 4 / 100%	its the strut