Car Problem Reports

Mercury Grand Marquis Intake Manifold/Valve Cover Gaskets May Leak Oil

• replace defective plastic intake manifold
  I have a coolant leak at a crack in the intake manifold at the top-front of the 4.2(maybe 4.6?)Liter engine. The leak stopped when I put in a stopleak "mud" and held through the winter. Then it lea...

  Q&A > Mercury > 1998 Mercury Grand Marquis

• Heater Hose Outlet May Leak Coolant at Back of Intake Manifold
  The heater hose outlet may leak coolant at the back of the intake manifold. Sometimes this is m...

  Common Problems > Mercury Grand Marquis

• Intake manifold
  I have heard alot of people saying there intake cracked on there grand marquis but on my 2000 mgm I have a factory intake and I havent had any problems yet! So should I switch to the new one or jus...

  Q&A > Mercury > 2000 Mercury Grand Marquis

• Intake Manifold May Crack Leaking Coolant Behind the Alternator
  The composite (plastic) intake manifold may crack near the thermostat housing and cause a coola...

  Common Problems > Mercury Grand Marquis

• need to know what to do right now
  I saw two leaks on ground that look orange or rust. Went to a car mechanic and he said it is th...

  Q&A > Mercury > 1999 Mercury Grand Marquis