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21 cze 2013 · The 3.0L and 3.6L SIDI engines use a direct injection fuel system that operates at very high fuel pressures. A direct injection fuel system produces a rapid clicking and ticking sound that can be heard from the engine compartment.
The most common GM 3.6 v6 problems you don’t want to experience is timing chain issues. Early versions, such as the LF7, LLT, and LFX timing chains, are prone to stretching. Other GM 3.6 v6 common problems are water pump failure, excessive oil consumption, Camshaft actuator issues, and ignition coil issues.
18 paź 2019 · Owners of 2017-2019 GM vehicles, such as GMC Canyon and Acadia vehicles equipped with a 3.6L engine, may complain about a rattle, tick or knock type noise. This may also be accompanied by DTC P0300, P0302 or P0305 on the active fuel management system (AFM) cylinders.
23 lut 2022 · I have a 2016 with a 3.6 l with a ticking noise at around 7-800 rpm then goes away as soon as i accelerate it or go back to idle. I read a lot of stories and a bulletin about the high pressure fuel pump causing it. I doubt its the engine as it only has 7800 miles and oil is changed and garaged kept. Reply Like.
15 mar 2024 · As the title asks, How are the 3.6 liter GM V6's holding up to higher mileage? They seem to put out good power, but are they a ticking time bomb? I'm specifically asking because this one is available at a reasonable price: https://www.iaai.com/VehicleDetail/39204705~US. But it has over 200k miles.
Camshaft Position Sensor Failure Affects Engine Timing Precision. The camshaft position sensor is vital in monitoring the GM 3.6 engine's camshaft speed and position, which is essential for precise ignition timing and fuel injection.
The rapid ticking noise on cold start up is the fuel pump (located on the rear of the left cylinder head) building up high fuel pressure. When the engine warm-up is completed, the high pressure fuel pump will continue to tick at a lower rate of approximately one tick per second during idle.
