How to cheque rear suspension on 2006 GMC Envoy

Air compressor for rear airsprings fail causing rear suspension to sit very low

Asked by for the 2006 GMC Envoy
1 answer 1 comment
bad air vale in compressor orbad seal
can you haer the compressor running, if you u have a leak at air bags or air bags themselves. seek a diag these can be a pain to repair even for a good mech.