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there are conflicting opinions on this. some sites are saying that the ford engine used in these is an "inteference" engine and the valves would probably have bent. others are saying that the mercury engine was modified with a slightly lower power output, but was a "non inteference" engine meaning that there would be no contact between the valves and the pistons, and you could just replace the timing belt. all sites recommend changing the water pump at the same time as the belt.
i would recommend you ring your mercury dealership and ask them as they should be able to tell you conclusively using the chassis and engine numbers. then you can decide the best course of action. when you have decided, feel free to ask again for more advice and instructions.
Hi there: most manufactures call for timing belt/chains to be replaced approximately every 75,000 to 100,000 miles. Timing belt replacement can be very difficult if you don't have much experience in that type of repair for the best step by step instructions it would be best too go and get a repair manual from your local parts distributor i would recommend getting a chilton repair manual. hope this is helpful for you best of luck too you
HI- Most manufacturers reccomend replacement at 90k, 180k, etc. Variables include other parts that may need replacing during these belt changes. Water pumps and timing belts should be purchased from the DEALERSHIP, regardless of who does work. This is proper, normal cost of maintaining your sequoia. Complete inspections and labor should be completed by mechanic familiar w/Toyota vehicles. Parts may run 150-250$. Labor depends on who ya know.- Hope this helps- Thanks- ED
it basically the same with the other engines...as long as you know what parts to remove. Just make sure that before you remove the belt/s and tensioner/, the timing marks are in the right place. I have changed timing belts without instructions...experience is needed though. I suggest better get a service manual to be sure if this is your first time.
depends on mano instructions, recomended changes to be on the safer side around every 55,000miles, if you want get someone to check your belt, but if you can check it yoursef look for the the belt being 2 slack as turning it rore than half way with your finger tips chance it, or get someone to look at it, or look for fraid sides, and missing teath under belt if it has them change it ASAP
The timing belt is inside the valve cover. You have to remove the the valve cover gasket. Underneath that you will find the valves, the head (the top of the engine block). There is a pulley that is used to tighten the timing belt. The pulley is attached to the piston and valve timing. This pulley is usually marked as to where it should be positioned in relationship the timing of the pistons and the cam shaft rotation. This is what is referred to as stting the timing in the engine, and the timing of the distributor. Since your belt is broken the engine has lost track of its timing, so you might have to refer to a manual on your model of car to set the timing. You will also need to replace the valve cover gasket when you put the valve cover back on.