Loud squealing or rattling is coming the engine Inspection A loud squealing or rattling noise from the engine compartment can sometimes be shocking to hear. However most of the time its not as big of a repair as the noise makes it out to seem. What could be the issue that requires a Loud squealing or rattling is coming the engine Inspection Vehicle drive belt needs adjusting or replacementExhaust heat shield has come loose and is rattling against the exhaustA drive belt pulley is worn out and needs replacementWhat to expect An Experienced and licensed mechanic will come to your home or work to inspect why you have a rattling noise coming from the engine. The mechanic will then give an estimate cost for repairs. How is a Loud squealing or rattling is coming the engine Inspection done by a mechanic? The technician confirms the noise is presentIdentifies what component or components are making the noiseShares his findings with the client and advises the client about the best option for repairing the vehicle How important is having a Loud squealing or rattling is coming the engine Inspection? Most of the time this type of noise is a minor thing that wont affect the driveability of the vehicle. However if the noise is coming from an important component the failure of that component could leave you stranded somewhere.