Gm 3 6 Vvt Engine Problems

A 6 speed manual transmission was standard equipment on the second generation cts and gm s 6 speed hydra matic 6l50 automatic transmission was available as an option on all variants.

Gm 3 6 vvt engine problems. I just got a customer satisfaction program letter from gm stating that gm s 3 6 liter v6 the engine used in the camaro saturn outlook lacrosse cadillac cts and several other cars is showing premature wear of the timing chain. Why gm 3 0 and 3 6 v6 timing chains fail pete s garage. For 2010 the base engine changed to a 3 0l variable valve timing vvt v6 with 270 hp 201 kw and 224 lb ft 304 n m of torque. My 17 impala with the 3 6 v6 had been awesome.

Gm is offering to change. But if i had a gm 3 6 direct injected engine i d be using rotella 5w 40 oil in it and not worry about the fuel mileage. The early ones were bad but i also think some people would run cheap oil or non synthetic oil and kill the timing chain prematurely. Typically the vvt system does not activate until the engine is at higher rpm or is introduced to load bearing situations like driving uphill.

I won t own any direct injected engine. After the ly7 the llt version brought direct fuel injection. The lfx used in the camaro had redesigned heads and an integrated exhaust manifold to reduce engine weight. Do you want to settle in court the gm engine cases.

Gm 3 6l engine problems. Engines with cylinder head failure can be easily recognized by a ticking sound from the left side. I just counted at least 10 in my head. As far as mainstream gm goes there have been at least four major versions of this engine.

A quick check of the web turns up that many who own this engine are experiencing troubles all the way up to the engine fragging. Engine joe talks about the hard to find gm 3 6 high feature v6 duration. If you have this gm engine change oil using a quality 5w 30 and change at 5000 mile intervals seem to solve the issue. Birdie s speed shop 64 838 views.

They have been considered a design flaw for decades. The gm 3 6 lfx v6 engine fixed the timing chain issues in models 2014 on. The lcs was a version meant for hybrids. The engine now has 64 000 miles on it and is running very well.

2007 2015 3 6 v6 gm high feature timing chain heads installation guide tips. The left side cylinder head problem had been found in about 0 5 percent of 2011 13 vehicles with 3 6 liter v 6 pentastar engines. How to repair g m 3 6 vvt timing chain. 3 4l manifold gaskets 6 5l d engine blocks 5 3l piston slap 5 3l intake gasket 5 7l intake gasket 3 4l dohc engine failure 7 0l engine failure 5 3l carbon build up 4 1l head gasket failure 2 3l sludge build up but none of those have been settled in court.