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engine vibrations can be from
valve timing not correct
ignition timing not correct
balance shaft out of time
harmonic balancer failed
run the fault codes to check valve variation operation is correct and other problem sensors
if it has a chain , it could be a worn chain problem
if it has a engine driven fan then it could be a water pump bearing or fan hub problem
Pretty sure it has a timing belt and you should replace it at around 60,000 miles they are designed to last a lot longer but to be safe replace every 60,000 as well as the water pump and idler bearings
I have a Colt 2005 Z30 1.1. I went to the shop asking for a shift of timing belt. I was happily surprised when the guy said that it had a timing chain instead of a belt and did not need to be changed. (I do not know how long does the chain holds, but definitely at least twice as long as the belt)
Water pump is driven by timing chain idler and is mounted on the rear of the timing chain housing. Disconnect the neg. battery cable. Drain cooling system. Disconnect oxygen sensor connector.
Remove upper exhaust manifould heat sheild. Remove exhaust manifold brace. Remove lower exhaust manifold heat sheild. Loosen manifold to exhaust manifold spring loaded nuts. Remove radiator outlet pipe to water pump coverbolts. Disconnect exhaust pipe from manifold.
Pull down on the exhaust pipe to disconnect it from exhaust manifold bolts. Disconnect outlet pipe from oil pan and transaxle. If equipped with manual tranaxle, remove exhaust maifold brace. Leave lower radiator hose attached and pull down on radiator out look pipe to disengauge from water pump. Leave outlet pipe hanging.
Lower vehicle. Remove exhaustmanifold to cylinder head nuts. Remove exhaust manifold to cylinder head nuts. Remove manifould. Remove timing chain front cover. Remove timing chain tensioner. Remove bolts bolts securing water pump cover to cylinder block. Remove water pump to timing chain housing nuts. Remove water pump attaching nuts. Remove water pump and cover assembly. Separate componets as necessary.
WHEN INSTALLING WATER PUMP MAKE SURE YOU FOLLOW THE TIGHTENING SEQUENCES THAT AFFECT SEALING. My frist one I messed up and broke the pump so becarful.
If cover was separated from body during removal, join this componets with a new gasket and hand tighten bolts. Apply bearing grease to splines of water pump drive. Set body and assemble into position.
Install and hand tighten bolts securing cover to cylinder block. Install and hand tighten bolts securing cover to cylinder block. Installand hand tighten nuts securing body to timing chain housing. Lubracate outlet pipe "O" ring with antifreeze. (I use RTV) Connect outlet pipe. Install and hand tighten bolts. Tighten bolts and nuts to specification in the following sequence. I'll ad the torque spec. at the end but this is where if you tighten out of order something will break.
pump assembly to timing chain housing nuts.
pump cover to pump body bolts
pump cover to cylinder block bolts (Bottom Bolt First)
outlet pipe to cover bolts
To complete installation reverse removel procedure.
Torque specs are 19 in. or 26mm all except water pump cover bolts which are 124 in or 14Nm
I never torque the bolts just make sure there done in the right order.
it is driven off the timing chain, here is how you replace it 2.3L And 2.4L OHC Engines
Disconnect the oxygen sensor harness connector
Raise the vehicle and support it securely on jackstands
Remove the exhaust manifold brace and loosen the exhaust manifold bolts
Remove the radiator outlet pipe assembly to the water pump housing bolts and separate the assembly from the engine
Remove the exhaust manifold pipe from the exhaust manifold
Remove the radiator outlet pipe from the oil pan.On manual transaxles cars remove the exhaust manifold brace and keep the radiator inlet hose attached to the assembly.Pull down on the radiator outlet pipe in order to disengage the pipe from the water pump while leaving the radiator outlet pipe hanging
Lower the car remove the brake booster vacuum hose from the camshaft housing also remove the exhaust manifold from the cylinder head
Remove the timing chain cover from the engine
Remove the timing chain tensioner
Remove the water pump cover bolts from the engine block and the timing chain housing
Remove the water pump bolts and separate the assembly from the housing
Hello nedy...if you have the V6 engine, it will require the removal of the timing chain cover to access the water pump. The water pump is mounted to the engine block with 4 bolts. It is recommended that the bolts be replaced due to electrolysis (steel bolt in aluminum block) Replace all gaskets and o-ring seals as well. While you are in there, you can inspect the timing chains, it has 3..and the chain tensioners. A Haynes repair manual would be helpful on this project and will have the correct torque specs. Good luck...i hope this helps, please rate mr a fixya.
Well, waterpump on your car is internal inside the timing chain area, being driven by the timing chain. You need to remove drive belts, the small black side covers, that are screwed into the front engine cover. The left on has the chain tensioner, the right one has the water pump behind it. Once the covers are removed, you need to push the timing chain tensioner inside and put a pin inside of it (tensioner ) to hold it in. Once you have done that, you need to rotate the engine counterclockwise (until you feel tension) to loosen the chain around the water pump. Then you will use 2 bolts (6mm and about 2 inches long) and screw those into the water pump body. This will pull the pump out of the engine, so pretty much the bolts are going to be acting as puller device to remove pump out of engine. reverse install procedure. This is not the easiest of repairs and not for a novice or someone, that doesn't really work on cars. Good luck.
Until 2002 Toyota's had a timing belt. After 2002, Toyota's have a timing chain. Manufacturer/dealers recommend replacement of the timing chain at about 90,000 miles. I've talked to several mechanics - including the dealer - about the cost of changing out the chain. The lowest price I found from a very reputable mechanic is $260-270. He told me that if I brought in the part, he'd reduce the cost. The dealership was almost double!
Re: water pump: I haven't found anything that stated it must be changed at 70K miles. Hope this was helpful.