Why is my radiator cap loose?
Why is my radiator cap loose? Loose cap = possible leak from the cap (liquid or evaporated coolant) OR cap internal valve damaged or not sitting well in its base. How can I make my radiator cap tighter? 1st step place cap on radiator opening. Seat it properly(adjust left to right slightly). Once you have found the sweet spot turn it clockwise until you feel resistance. 2nd step push down very hard on cap as you turn clockwise. How tight should my radiator cap be? A radiator cap should be tightened with a maximum amount of physical pressure. If a...