Question about 2000 Mazda MPV
Have a broken timing chain and don't know whether to fix it or if valves are messed up and need fixed just replace the engine
Remove the spark plugs and shoot compressed air into each cylinder. If air escapes through either the intake or exhaust, the valves are bent. Remove the head and inspect.
Note: This problem is more common than you may think and the valves are almost always trashed.
Posted on Mar 23, 2014
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Posted on Jan 02, 2017
Remove negative (-) battery terminal from battery. Remove drive belt from alternator pulley. Remove wiring harness (electrical connections) from alternator. Remove attaching bolts for alternator. Pry out alternator. Reverse steps to reinstall.
Posted on Dec 28, 2008
SOURCE: Mazda MPV LX 2000
Yes, that was too much. The neutral safety switch costs around $70 (if I remembered right). I bought it from my Mazda dealer and asked them for a diagram to locate it. In most cases, my Mazda dealer has been helpful in provide diagrams for this minivan. The switch is located underneath the battery (you'll have to remove it) on the transmission. Make sure it is aligned right when you replace the switch; otherwise it won't find neutral, and you'll have to use the bypass switch on top of the steering column to start you engine.
Posted on May 04, 2009
On the inside trim, you can remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. You'll need to lift the door panel upwards in order to get it off the window ledge. Then you'll need to manipulate the panel and disconnect the door handle linkage from the door handle and disconnect the wiring for your controls. Pull back the weather seal and you can readjust the window mechanics.
Posted on Sep 29, 2009
Typically an alternator is an easy fix. It requires removal of the belt from the engine running it, and a few bolts that attach it to the engine.
Because of the engineering with the 2000 mpv, it is a very difficult fix, and one that requires removal of the transaxle and exhaust manifold, as well as removal of the lower engine mounts. It will take a qualified Mazda mechanic 3.5 hours to do the fix - you can (at least) triple that amount of time as a DIY project (assuming you have the right tools).
Posted on Nov 02, 2009
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Mazda MPV 1999-06
Engines, chain- or belt-driven, can be classified as either free-running or interference, depending on what would happen if the piston-to-valve timing is disrupted. A free-running engine is designed with enough clearance between the pistons and valves to allow the crankshaft to rotate (pistons still moving) while the camshaft stays in one position (several valves fully open). If this condition occurs normally, no internal engine damage will result. In an interference engine, there is not enough clearance between the pistons and valves to allow the crankshaft to turn without the camshaft being in time.
An interference engine can suffer extensive internal damage if a timing belt fails. The piston design does not allow clearance for the valve to be fully open and the piston to be at the top of its stroke. If the belt fails, the piston will collide with the valve and will bend or break the valve, damage the piston, and/or bend a connecting rod. When this type of failure occurs, the engine will need to be replaced or disassembled for further internal inspection; either choice costing many times that of replacing the timing belt.
NOTE For manufacturer-s recommended service interval, refer to the maintenance interval chart located in this manual.
The average replacement interval for a timing belt is approximately 60,000 miles (96,000 km). If, however, the timing belt is inspected earlier or more frequently than suggested, and shows signs of wear or defects, the belt should be replaced at that time.
WARNING Never allow antifreeze, oil or solvents to come into with a timing belt. If this occurs immediately wash the solution from the timing belt. Also, never excessive bend or twist the timing belt; this can damage the belt so that its lifetime is severely shortened.
Fig. Never bend or twist a timing belt excessively, and do not allow solvents, antifreeze, gasoline, acid or oil to come into contact with the belt
Inspect both sides of the timing belt. Replace the belt with a new one if any of the following conditions exist:
Hardening of the rubber-back side is glossy without resilience and leaves no indentation when pressed with a fingernail Cracks on the rubber backing Cracks or peeling of the canvas backing Cracks on rib root Cracks on belt sides Missing teeth or chunks of teeth Abnormal wear of belt sides-the sides are normal if they are sharp, as if cut by a knife.
Fig. Worn teeth from excessive belt tension, camshaft or distributor not turning properly, or fluid leaking on the belt
If none of these conditions exist, the belt does not need replacement unless it is at the recommended interval. The belt MUST be replaced at the recommended interval.
WARNING On interference engines, it is very important to replace the timing belt at the recommended intervals, otherwise expensive engine damage will likely result if the belt fails.
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