One problem related to coolant leaking has been reported for the 2005 Toyota Tacoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Toyota Tacoma based on all problems reported for the 2005 Tacoma.
The head gasket has caused coolant to leak into the cylinder. According to many other owners this is a common problem with the 2005 and 2006 Toyota Tacoma 4. 0l v6 engines and the head gasket was finally revised in 2007.