Three problems related to engine cooling system have been reported for the 1996 GMC Sonoma. The most recently reported issues are listed below.
While driving noticed smoke coming from vehicle. , and vehicle caught on fire. Vehicled checked by dealer, who determined that coolant was leaking from cylinder onto head gasket.
Water pump failed.
Noticed smell for long time. Started to try and fix 7 months ago, 11/17. Filling leaking coolant, noticing fluxuations in engine temp. Changed thermostat. Received notification letter(specifically stating not recall campaign) from GMC postmarked 5/30/00 of this problem. Dealer conflict on fixing this for me. Concerned about combustion and my family's safety.