Repare BMW Diesel.pdf

BMW DIESEL

CYLINDER PRESSURE CHECK - DIESEL

9. Repeat operations 6 to 8 on remaining cylinders.

10. All readings should be at least 20 bar and within

approximately 3 bar of each other.

11. If any reading is low, inject 4 shots of clean

engine oil into glowplug hole and repeat test.

Low readings on both wet and dry tests indicate

a badly seating valve or leaking cylinder head

gasket. Low readings on a dry test and

satisfactory wet test results indicate piston ring

and/or cylinder bore problems.

12. Disconnect battery negative lead.

13. Remove test equipment.

14. Connect stop solenoid.

15. Align harness trunking and secure with screws.

16. Fit glow plugs, SeeFUELSYSTEM,Repair.

17. Reconnect battery negative lead.

Service repair no - 19.60.31

NOTE: Test must only be carried out with

battery in good condition. Compression

tests should not be used as the sole

means of assessing the state of an engine. They

must only be used to support other symptoms or

the results of other tests.

1. Disconnect battery negative lead.

2. Remove glow plugs. SeeFUELSYSTEM,

Repair.

3. Release cover and disconnect lead from stop

solenoid.

4. Remove 2 screws securing harness trunking to

cylinder block and position trunking aside.

5. Reconnect battery negative lead.

6. Using kit LRT-19-007 fit adaptor DA 102-85 to

number 1 glow plug location. Tighten to 20Nm

(15lbf.ft).

7. Connect gauge to adaptor and tighten securely.

8. Operate the starter motor until the gauge needle

reaches its highest reading and mark with the

pointer.

REPAIR

ENGINE

NEW RANGE ROVER

CAMSHAFT COVER GASKET - NON EGR

Service repair no - 12.29.40

Remove

1. Disconnect battery negative lead.

2. Remove 4 screws securing injector covers.

Remove covers.

3. Release intake hose from ducting.

4. Release turbocharger intake hose from ducting.

5. Release breather valve from intake ducting

grommet.

NOTE: Collect grommet. Refit to ducting.

6. Disengage 2 clips. Remove intake ducting.

7. Remove 3 bolts securing intake ducting bracket

and exhaust manifold heat shield to camshaft

cover. Collect bracket.

REPAIR

BMW DIESEL

8. Remove 10 bolts securing camshaft cover to

cylinder head.

9. Remove camshaft cover. Collect gasket and

discard.

Refit

10. Ensure mating faces are clean.

11. Fit gasket to camshaft cover.

12. Position camshaft cover on cylinder head.

Ensure gasket is correctly seated.

NOTE: Protrusion on rear of gasket can

snag on bearing cap during positioning of

cover.

13. Fit camshaft cover bolts. Tighten in diagonal

sequence, working from centre outwards to 15

Nm(11lbf.ft)

14. Align exhaust manifold heat shield. Position

intake ducting bracket.

15. Secure ducting bracket and heat shield with

bolts.

16. Position intake ducting. Engage clips.

17. Engage breather valve into ducting grommet.

18. Connect ducting to turbocharger intake hose.

Secure clip.

19. Connect intake hose to ducting. Secure clip.

20. Fit injector covers. Secure with screws.

21. Reconnect battery negative lead.

REPAIR

ENGINE

NEW RANGE ROVER

CAMSHAFT COVER GASKET - WITH EGR

3. Remove 2 bolts securing harness trunking and

position trunking aside.

4. Remove 3 bolts securing intake ducting bracket

and exhaust manifold heat shield to camshaft

cover. Collect bracket.

5. Remove 10 bolts securing camshaft cover to

cylinder head.

6. Collect sealing washers.

7. Remove camshaft cover. Collect gasket and

discard.

Service repair no - 12.29.40

Remove

1. Disconnect battery negative terminal.

2. Remove air intake ducting. SeeFUEL

SYSTEM,Repair.

Refit

13. Align exhaust manifold heat shield. Position

intake ducting bracket.

14. Secure ducting bracket and heat shield with

bolts.

15. Fit air intake ducting. SeeFUELSYSTEM,

Repair.

16. Connect battery negative terminal.

8. Inspect sealing washers, renew as necessary.

9. Ensure mating faces are clean.

10. Fit gasket to camshaft cover.

11. Position camshaft cover on cylinder head.

Ensure gasket is correctly seated.

NOTE: Protrusion on rear of gasket can

snag on bearing cap during positioning of

cover.

12. Fit camshaft cover bolts. Tighten in diagonal

sequence, working from centre outwards to 15

Nm(11lbf.ft).

REPAIR

BMW DIESEL

CRANKSHAFT PULLEY AND FRONT COVER OIL

SEAL

Service repair no - 12.21.01 - Crankshaft Pulley

Service repair no - 12.65.05 - Timing Gear Cover

Oil Seal

Remove

1. Disconnect battery negative lead.

2. Remove radiator. SeeCOOLINGSYSTEM,

Repair.

3. Remove cover from air conditioning drive belt

tensioner.

4. Release drive belt tension. Remove drive belt.

5. Slacken 4 water pump pulley bolts.

10. Secure LRT-12-105 to hub with 3 bolts. Remove

and discard hub retaining bolt.

11. Note orientation of shouldered washer. Remove

hub and tool.

12. Remove seal from front cover.

Refit

13. Ensure mating faces are clean.

14. Lubricate outer face of seal.

15. Locate seal in timing cover.

16. Using LRT-12-111, push seal home until flush

with face of timing cover.

17. Lubricate lip of oil seal. Fit crankshaft pulley hub.

18. Hold hub using LRT-12-105. Secure with new

bolt and tighten to 100Nm(74lbf.ft)plus150

6. Release auxiliary drive belt tension. Remove

belt.

7. Remove water pump pulley bolts. Remove

pulley.

8. Remove bolt from auxiliary drive belt tensioner

pulley. Remove pulley.

9. Remove 6 bolts securing vibration damper and

air conditioning pulley to vibration damper hub.

Remove damper and pulley.

torqueangle.

19. Fit damper and pulley to hub. Secure with bolts.

Tighten to 23Nm(17lbf.ft)

20. Fit auxiliary belt tensioner pulley. Secure with

bolt.

21. Fit pulley to water pump. Secure with bolts.

Tighten to 10Nm(7lbf.ft)

22. Rotate auxiliary drive belt tensioner. Fit drive

belt.

23. Fit and tension air conditioning drive belt. See

AIRCONDITIONING,Repair.

24. Fit radiator. SeeCOOLINGSYSTEM,Repair.

25. Reconnect battery negative lead.

REPAIR

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