Locating and Setting Engine to Top Dead Center (TDC) Cylinder 1 - Volkswagen Golf GTE | Volkswagen all cars catalog

Locating and Setting Engine to Top Dead Center (TDC) Cylinder 1 — Volkswagen Golf GTE

26 мая 2015 | Author: | Комментарии к записи Locating and Setting Engine to Top Dead Center (TDC) Cylinder 1 — Volkswagen Golf GTE отключены
Volkswagen Golf GTE

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15/16 or 24 mm socket (deep)

Flashlight

Step Stool

Lock 9206 (optional on other work to be performed)

* If you do not a deep 15/16 or 24 mm socket, a socket with a short (1-2) will work.

When setting the engine to TDC on the stroke for cylinder #1, you must that the crankshaft rotates for every single rotation of the So, if you simply set the crankshaft to TDC without at the position of the camshaft, you may actually be at TDC on the stroke for cylinder #1. So, after you get the (by flywheel indication or by checking piston location), check the sprocket to make sure the alignment mark is at the TDC position as

This procedure can be performed by one However, it is much easier to with two people.

At the back of the compartment, looking from the side of the car, locate the opening (window) in the top of the clutch

You will be looking for the letters OT to in the opening as the engine is rotated.

crankshaft should not be rotated, or otherwise, unless the timing is installed with timing set or the camshaft housing assembly This is done to prevent damage.

Using the 15/16 or 24 mm socket and ratchet, rotate the in the clockwise direction using the pulley bolt on the front of the until the letters OT appear in the housing window.

Volkswagen Golf GTE

The picture below was taken on my own The OT is not really visible in the clutch opening due to the rust on my flywheel. some time ago, I the TDC line on my flywheel with red polish so it would be clearly From the angle this is taken it appears that the mark is slightly off from the tab in clutch housing but it’s due to the angle. To correctly align the for TDC you need to be looking directly on the opening.

Many people trouble locating the opening in the housing for the TDC mark. You’ll in the picture the close proximity of the to the speed/reference sensor mounting (sensors removed in this

In the picture below, you’ll see the OT mark would look on the flywheel if it is clean (unlike the picture).

Note: If this is performed by one person, the alignment on the camshaft sprocket can be used to when the engine is close to Top Center (TDC). However, the should be used for final in case the timing is off slightly. The sprocket alignment mark is through the opening in the front housing cover just the distributor cap.

When the OT are visible in the window, continue to the engine clockwise until the mark (line) beside the OT is with the tab inside the window. The tab is on the of the window closest to the middle of the car and down from the inside of the until it almost touches the

If you have trouble locating the TDC from above, there is a 5 mm groove in the flywheel which can be to locate TDC as well. It will in an opening in the bottom of the clutch near the starter. When the is centered in the opening the #1 cylinder is at Personally, I don’t care for method because if the groove is not in the opening, the timing can be off ± 1 tooth.


you can remove the #1 spark plug and a small diameter wooden into the spark plug until it contacts the top of the piston. As the is rotated, the piston will the dowel upward. When the end of the is at its highest point, the engine is at TDC for the #1

If the engine is not in the car and the clutch housing is the OT scribe mark on the flywheel line up with a cast on the back of the upper crankcase when the #1 cylinder is at TDC.

If the pulley bolt needs to be or it is important that the engine at the TDC position, you’ll need to the engine in flywheel lock There is also an engine out lock (9130) which is if the engine is on an engine stand. The out flywheel lock is not intended to the engine at TDC but, is attached the to provide counter-torque against the stand arms for removing/installing the pulley bolt or removing/installing the cheesehead bolts.

Volkswagen Golf GTE
Volkswagen Golf GTE
Volkswagen Golf GTE
Volkswagen Golf GTE
Volkswagen Golf GTE

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