Had first oil change a few weeks ago and there is a noise ever since it was completed. It sounds kinda like a ticking noise. Only does it once it's warmed up and not accelerating. Sounds like it's coming from where the oil filters are located. It almost goes away when I push on the plastic muffler cover...not sure if this is because it decreases engine vibration kinda like when accelerating. I was told I didn't need to check/adjust valves bc my engine was not noisy (according to the service manual). Don't want to be one of those people who blame something on someone else after a service but I know for sure it wasn't making this noise before having it serviced. I oiled all the bushings thinking it could have been something there. Any help would be appreciated. Thanks