Toyota 98 camry v6 cambelt timing marks

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How To Install Replace Crankshaft Position Sensor Toyota ...

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Jan 24, 2011 - Uploaded by 1A Auto Parts
How To Install Replace Crankshaft Position Sensor ToyotaCamry 3.0L V6 1AAuto.com ... the crankshaft position sensoron a 1994 Toyota Camry 3.0L V6. ..... 2002-2006 LEXUS ES300 ES330 TOYOTA CAMRY KNOCK ...

Hi

To answer your question directly......NO, the engine can not rev when the cambelt is removed, it won't even start. This is virtually impossible for any 4 stroke engine.

i will explain why....... The cambelt connects your camshaft with your crankshaft, when the engine was assembled, the camshaft and crankshaft was turned on the correct alignment marks and the cambelt was fitted. These marks on the cam and crankshaft allows the 4 strokes to happen at the correct time(intake stroke,compression stroke, power stroke and exhaust stroke) If the cambelt had to be removed, there will be serious damage done to your engine, in the first place, the car will not start if the cambelt was removed. the correlation between your camshaft and crankshaft will not correspond and the pistons will hit and damage the valves.

I hope the above description will help you.

Firstly the no.1 piston should be at TDC (compression).

The upper camshaft sprocket has a smaller hole in the web. This should be lined up exactly with the TDC timing mark behind it on the cam bearing cap. In this position it will be vertically upwards.

At the same time the notch in the crankshaft pulley timing flange should be opposite the 0 degrees mark on the timing marks on the front of the lower belt cover.

There are marks on the crank gear and the cam gears that line up to marks on the new timing belt. An old belt might not have the marks any more because of age. Therefore a new belt might be necessary to be sure of this.

Hope this helps you.

Hi,


You find the timing marks on the picture below.





Removal
Remove auxiliary 1. drive belts.
2. Support engine.
Remove:
Engine mounting and bracket.
Timing belt upper cover [1].
3.
4. Turn crankshaft clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Remove:
Crankshaft pulley bolt [4].
Crankshaft pulley [5]. Use tool No.09213-60017.
5.
6. Ensure timing marks aligned [2] & [3].
7. Slacken tensioner bolt [6]. Move tensioner away from belt and lightly tighten bolt.
Remove:
Timing belt lower cover [7].
Crankshaft sprocket guide washer [9].
Timing belt.
Tensioner pulley.

Installation
Installation
1. Check tensioner pulley for smooth operation.
2. Check free length of tensioner spring is 46,0 mm [8]. Replace spring if necessary.
3. Fit tensioner and spring. Ensure spring is connected correctly.
4. tighten bolt [6].
5. Ensure timing marks aligned [2] & [3].
6. Fit timing belt. Ensure belt is taut between sprockets.
Install:
Crankshaft sprocket guide washer [9].
Timing belt lower cover [7].
Crankshaft pulley [5].
7.
8. Slacken tensioner bolt 1/2 turn [6].
9. Turn crankshaft two turns clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Turn crankshaft slowly 1 7/8 turns clockwise until crankshaft pulley timing mark [3] aligned with 45° BTDC mark [10] on
timing belt lower cover [7].
10.
11. Tighten tensioner bolt [6]. Tightening torque: 42 Nm.
12. Install components in reverse order of removal.
13. Tighten crankshaft pulley bolt [4]. Tightening torque: 108 Nm.
Manufacturer: Toyota

i would be checking the timing marks on camshafts in relation to crankshaft marks. sounds like timing is retarded

i believe that they have to be facing upward 12o clock i think there should be some arrows on the cams that indicate the position

these bend valves if belt breaks while running
Align the timing marks on the camshaft gears to the notches on the camshaft cover, using the intake gear mark for the intake gear and the exhaust gear mark for the exhaust gear.
Align the mark on the crankshaft gear with the
notch at the bottom of the rear timing belt cover.

on the intake cam use the middle mark in between the big one and the other small one on the exhaust cam use the use the smallest mark farthest away from the 2 small marks on the same tooth. line those 2 marks up on the same tooth in the middle.