Nissan Juke Service and Repair Manual : Vacuum lines

MR16DDT : Removal and Installation

REMOVAL

1. Remove the vacuum hose and vacuum piping.

2. Perform inspection after removal. Refer to BR-115, "MR16DDT : Inspection".

INSTALLATION

Note the following, install the vacuum hose.

• When installing vacuum hose, insert it until its tip reaches the back-end of length (A) or further as shown in the figure.

CAUTION:
Never use lubricating oil during assembly.

A : 24 mm (0.95 in) or more

- Face the paint mark of vacuum hose (engine side) upward to assemble.

- Face the paint mark of vacuum hose (brake booster side) to the vehicle front side to assemble.

- For clamp mounting direction (the orientation of pawl), refer to BR- 115, "MR16DDT : Exploded View".

MR16DDT : Inspection

INSPECTION AFTER REMOVAL

Appearance
Check for correct assembly, damage and deterioration.

Check Valve Airtightness • Use a handy vacuum pump (A) to check.

When connected to the booster side (B): Vacuum should decrease within 1.3 kPa (9.8 mmHg, 0.38 inHg, 0.013 bar) for 15 seconds under a vacuum of −66.7 kPa (−500 mmHg, −19.70 inHg, −0.667 bar).

When connected to the engine side (C): Vacuum should not exist.

• Replace vacuum hose if vacuum hose is malfunctioning.

HR16DE : Exploded View


HR16DE : Exploded View

1. Clamp


1. Clamp
2. Vacuum hose (built-in check valve)

A. To intake manifold B. Paint mark
C. Stamp indicating engine direction D. To brake booster

HR16DE : Removal and Installation

REMOVAL

1. Remove the vacuum hose and vacuum piping.

2. Perform inspection after removal. Refer to BR-117, "HR16DE : Inspection".

INSTALLATION

Note the following, install the vacuum hose.

• When installing vacuum hose, insert it until its tip reaches the back-end of length (A) or further as shown in the figure.

CAUTION:
Never use lubricating oil during assembly.

A : 24 mm (0.95 in) or more

- Face the paint marks upward to assemble.

- For clamp mounting direction (the orientation of pawl), refer to BR- 116, "HR16DE : Exploded View".

HR16DE : Inspection


HR16DE : Inspection

INSPECTION AFTER REMOVAL

Appearance
Check for correct assembly, damage and deterioration.

Check Valve Airtightness • Use a handy vacuum pump (A) to check.

When connected to the booster side (B): Vacuum should decrease within 1.3 kPa (9.8 mmHg, 0.38 inHg, 0.013 bar) for 15 seconds under a vacuum of −66.7 kPa (−500 mmHg, −19.70 inHg, −0.667 bar).

When connected to the engine side (C): Vacuum should not exist.

• Replace vacuum hose assembly if vacuum hose and check valve are malfunctioning.

K9K : Exploded View


K9K : Exploded View

1. Clamp


1. Clamp
2. Vacuum hose
3. Vacuum piping
4. Vacuum hose (built-in check valve) 5. Connector

A. To brake booster
B. Paint mark
C. Stamp indicating engine direction D. To vacuum pump

K9K : Removal and Installation

REMOVAL

1. Remove air duct and air cleaner case. Refer to EM-280, "Removal and Installation".

2. Remove the vacuum hose and connector.

INSTALLATION

Note the following, install the vacuum hose.

• When installing vacuum hose, insert it until its tip reaches the back-end of length (A) or further as shown in the figure.

CAUTION:
Never use lubricating oil during assembly.

A : 24 mm (0.95 in) or more

- Face the paint mark of vacuum hose (built-in check valve, connector side) upward to assemble.

- Face the other paint marks to vehicle front side to assemble.

- For clamp mounting direction (the orientation of pawl), refer to BR- 117, "K9K : Exploded View".

K9K : Inspection


K9K : Inspection

INSPECTION AFTER REMOVAL

Appearance
Check for correct assembly, damage and deterioration.

Check Valve Airtightness • Use a handy vacuum pump (A) to check.

When connected to the booster side (B): Vacuum should decrease within 1.3 kPa (9.8 mmHg, 0.38 inHg, 0.013 bar) for 15 seconds under a vacuum of −66.7 kPa (−500 mmHg, −19.70 inHg, −0.667 bar).

When connected to the engine side (C): Vacuum should not exist.

• Replace vacuum hose assembly if vacuum hose and check valve are malfunctioning.

Front disc brake


    Brake booster
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    Front disc brake
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    Other materials:

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    Removal and Installation
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