the cable that opens the heater tap often is a problem with theres cars, check that the heater tap is opening, if the slide control feels very loose or is over tight i would be looking here first.
mark (mhpautos)
Oct 2, 2008 at 11:06 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.