Hello everyone I need some help with my 2003 ford focus it was vibrating real bad i changed all three motor mounts and it seems to not fix the problem when it starts in the morning it vibrates badly and then when it get warm it is all most gone if it sits when i am at work and it sits in the sun i have no vibration could it be harmonic balancer something internal i leaving for vacation in three weeks i don't want to get stranded so please help me