Family Cars Information

Car Door clearance inspection and adjustment techniques

Door gap is too large, the door will lift decreases, causing less than sufficient, Pai poor, but also bring unusual percussion sound. Gap is too small, will work to close the door loose, causing leakage, easy to make the door and the seat face ablation. Therefore, according to the required standards, careful adjustment of the door a good gap in order to ensure the normal operation of the engine.

Clearance inspection and adjustment of the door is completely closed the door, the door cam drive mechanism is located in the scope of the base park hours. For this reason, usually only point on the cylinder compression at the same time adjust the import and ranked the door the door gap, that is, sub-point of that flame into the cylinder, behind the door of the door gap. This method is called by cylinder Adjustment Act.

In practice, often used as described in “into the row into the row, advanced back” or the “double non-advance” Adjustment Act. In this way, simply shake twice a crankshaft, you can adjust the complete clearance of the door sector.

1) three-cylinder machine (Tianjin Xiali TJ376Q engines)

A cylinder at the compression TDC points: key in the camshaft and a half above the park position.

Adjustable: 1-cylinder 2-cylinder 3-cylinder

Jin in a row into the

Crankshaft rotation after lap:

Adjustable: Jin Pai

2) four-cylinder machine

A ,1 – 3 – 4 – 24 – 2 – 1 – 3

Not enter into the double-row does not

B ,1 – 2 – 4 – 34 – 3 – 1 – 2

Not enter into the double-row does not

3) The five-cylinder machine (81 years, the West German Volkswagen has introduced in-line five-cylinder engines)

1 – 2 – 4 – 5 – 3

Does not not enter the double

4 – 5 – 3 – 1 – 2