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Kevin
Kevin, UK Car Mechanic
Category: UK Car
Satisfied Customers: 1765
Experience:  Diagnostic technician at vw /audi specialist
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How can I check we have the timing chain correctly installed

Customer Question

Hi, how can I check we have the timing chain correctly installed on bmw 118d
Submitted: 1 year ago.
Category: UK Car
Expert:  Kevin replied 1 year ago.
Removal/installation of timing chain requires:6 cylinders: Engine removal.Cylinder head removal.Sump removal. NOTE: Refer to Technical Data module for tightening torques. Engine at TDC on No.1 cylinder.Remove blanking plug from cylinder block.Insert flywheel timing pin Fig.19277.1.Ensure camshaft lobes are positioned as shown Fig.19277.2 & Fig.19277.3.Install camshaft alignment/locking tool on inlet camshaft Fig.19277.4.Ensure camshaft alignment/locking tool abuts cylinder head.Install camshaft alignment/locking tool on exhaust camshaft Fig.19277.5.Ensure camshaft alignment/locking tool abuts cylinder head.Ensure timing marks on rear of camshaft gears aligned with upper edge of cylinder head Fig.19277.6.If not, adjust camshafts as follows:Hold inlet camshaft with spanner on hexagonFig.19277.7.Slacken inlet camshaft sprocket boltsFig.19277.8.Align inlet camshaft. Use camshaft alignment tool Fig.19277.4.Ensure camshaft alignment tool abuts cylinder head.Lock inlet camshaft alignment tool in position with locking toolFig.19277.9. Tighten camshaft sprocket boltsFig.19277.8:Tightening torque: 4 cylinders - 15 Nm. 6 cylinders - 14 Nm. NOTE: Camshaft sprocket bolts MUST only be used once. Camshaft rotation can be prevented using spanner at position shownFig.19277.7.Remove flywheel timing pin.Remove camshaft alignment/locking tool.Turn crankshaft two turns clockwise. Check valve timing.To lock upper timing chain tensioner:NOTE: Only upper timing chain tensioner can be reset with front timing chain cover in place. Remove blanking plugFig.19277.10.Turn inlet camshaft slowly clockwise to compress the upper timing chain tensioner.Camshaft rotation possible using spanner on hexagonFig.19277.7.Insert timing chain tensioner locking pinFig.19277.11. To lock lower timing chain tensioner:Remove timing chain cover.Compress tensioner plunger. Fit timing chain tensioner locking pinFig.19277.12. To unlock timing chain tensioners:Remove locking pinsFig.19277.11 &Fig.19277.12. Fit new crankshaft pulley central bolt.Tightening torque: M10 - 40 Nm + 120°. M18 - 100 Nm + 150°. NOTE: Camshafts can be turned without valves contacting pistons when crankshaft is set at 45° BTDC on No.1
Expert:  Kevin replied 1 year ago.
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Expert:  Kevin replied 1 year ago.
This instruction is for changing timing chain but it also explains how to set vehicle up hope this helps
Customer: replied 1 year ago.
please pass my question out to a bmw expert, I already have autodata, need someone who has experience doing one of these, and by the way that timing instructions were not for a bmw 118d n47 engine,thanks anyway
Customer: replied 1 year ago.
Please only respond if you have actually changed one of these n47 timing chains for yourself as I have changed many chains before but this ones baffling me a little.thankyou
Expert:  Kevin replied 1 year ago.
I have opted out if you message me it locks question to me