A 2004 Toyota Sienna uses R-134a refrigerant for its air conditioning system. This type of refrigerant was commonly used in many vehicles manufactured before the transition to more environmentally friendly alternatives like R-1234yf. If servicing the AC system, it's important to use the correct refrigerant to ensure optimal performance and system longevity.
refrigerant R 134a
The 2004 Toyota Sienna has double overhead cam (DOHC).
The type of oil used in a 2011 and 2012 Toyota Sienna is the synthetic 0W-20.
The 2012 Toyota Sienna has double overhead cam (DOHC).
The 2002 Toyota Sienna has double overhead cam (DOHC).
The 2003 Toyota Sienna has double overhead cam (DOHC).
The 2007 Toyota Sienna has double overhead cam (DOHC).
The 2013 Toyota Sienna has double overhead cam (DOHC).
The 2005 Toyota Sienna has double overhead cam (DOHC).
The 2014 Toyota Sienna has double overhead cam (DOHC).
The 2010 Toyota Sienna has double overhead cam (DOHC).
The 2011 Toyota Sienna has double overhead cam (DOHC).