There is no rad cap on a 98 mystique.The coolant is added through the overflow tank.
The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap on a 1999 Mercury Mystique
No , coil pack
According to one of Fords websites : The 1998 Mercury Villager uses the ( Motorcraft RS-519 radiator cap ) It is a ( 13 PSI cap )
right side of engine,is a big plastic bottle,do not open when hot!
The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 2002 Mercury Cougar : No , the thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
On a 2003 Mercury Sable : The thread on cap on the engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 2002 Mercury Sable : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 1998 Ford Taurus : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
No , the thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1998 Ford Taurus : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1998 Lincoln Navigator : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap