LGX Engine ticking normal?

Ant_ss · 02-26-2016, 01:11 AM

1lt rs with tech pack and a8 mbm

700 miles and she's had a ticking sound under the hood since I got her at 12 miles. No check emgine lights, funny smells, signs of leaks. Debating taking her to the dealer this Sunday :/

Any LGX owners experiencing the ticking while the engine is running?

Gen_Nick3.8 · 02-26-2016, 02:53 AM

Normal GM engine ticking. Nothing to worry about good sir

asimpleguy · 02-26-2016, 03:03 AM

The ticking is a normal. Its a result from the direct injecting. Nothing to worry about

TheCaptain · 02-26-2016, 07:15 AM

Welcome to the world of Direct Injection!

Bluecyclone · 02-26-2016, 07:18 AM

Buy a UPR "catch can" as DI will produce lots of "blow-by".

nancygrl · 02-26-2016, 07:51 AM

On a test drive I heard the same sort of ticking in a '15 Silverado 5.3L with direct injection. I know it's normal, but certainly don't like it.

cellsafemode · 02-26-2016, 08:18 AM

Quote:

Originally Posted by Bluecyclone

Buy a UPR "catch can" as DI will produce lots of "blow-by".

really? And connect it where? I've looked and I dont see any external hoses that look like pcv hoses. I've taken apart the intake up to the throttle body and it's bone dry and perfectly clean. So it would be great if you could identify where such a can should be installed and the oil it would be catching.

KMPrenger · 02-26-2016, 08:20 AM

Quote:

Originally Posted by Bluecyclone

Buy a UPR "catch can" as DI will produce lots of "blow-by".

DI is not the cause of the blow by. Its just that DI doesn't clean the blow-by like port injection does.

cellsafemode · 02-26-2016, 09:35 AM

Quote:

Originally Posted by KMPrenger

DI is not the cause of the blow by. Its just that DI doesn't clean the blow-by like port injection does.

Still, this assumes there is blow-by to clean in the lgx. I've yet to see any evidence of it.

All I've seen is GM saying the lgx has an improved oil-air separator mechanism (somewhere) that performs 3x as good as the lfx's.

Nobody has identified where a catch can would be installed yet much less if it's even needed on the lgx.

02-26-2016, 01:11 AM	#1
Ant_ss Drives: 14 1SS RS Black (rental) Join Date: Nov 2014 Location: Los Angeles, CA Posts: 87	LGX Engine ticking normal? 1lt rs with tech pack and a8 mbm 700 miles and she's had a ticking sound under the hood since I got her at 12 miles. No check emgine lights, funny smells, signs of leaks. Debating taking her to the dealer this Sunday :/ Any LGX owners experiencing the ticking while the engine is running?

02-26-2016, 07:15 AM	#4
TheCaptain N7 Spectre Drives: 14 ATS Performance 3.6L AWD Join Date: Jul 2008 Location: Moosomin, Saskatchewan, Canada Posts: 2,734 View My Garage	Welcome to the world of Direct Injection! __________________

02-26-2016, 07:18 AM	#5
Bluecyclone Drives: 2014 Cyclone mustang Join Date: Feb 2016 Location: Port Lavaca,Tx. Posts: 355 View My Garage	Buy a UPR "catch can" as DI will produce lots of "blow-by". __________________ 2014 Cyclone/Select Shift/"/Sold 2016 ruby red GT w/3.55:1/resonator delete X- pipe/UPR catch can/Airaid "tube"W/AEM/J&M/BigWorm/BMR /SVE /ZL1addons/Redline/Steeda/BG fluids/

02-26-2016, 02:53 AM	#2
Gen_Nick3.8 Drives: 22 ZL1 1LE Join Date: Nov 2014 Location: Miami,FL Posts: 345	Normal GM engine ticking. Nothing to worry about good sir

02-26-2016, 03:03 AM	#3
asimpleguy Drives: 2016 Camaro 2SS Join Date: Jul 2015 Location: Fort worth, tx Posts: 266	The ticking is a normal. Its a result from the direct injecting. Nothing to worry about

02-26-2016, 07:51 AM	#6
nancygrl 雪の玉 Drives: '22 Z71 RST Silverado Join Date: Feb 2011 Location: South Posts: 3,415	On a test drive I heard the same sort of ticking in a '15 Silverado 5.3L with direct injection. I know it's normal, but certainly don't like it.

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