MERCURY SABLE ENGINE PROBLEM
1998 Mercury Sable • 150,000 miles
How to change timing chain
December 1, 2012.
December 1, 2012.
ALLDATA users have reported success using aftermarket tools to determine TDC on this engine.
Disconnect battery ground cable.
Drain engine cooling system.
Remove crankshaft pulley and damper.
Remove engine front cover.
Rotate crankshaft until No.1 piston is at Top Dead Center (TDC) and the timing marks are aligned as illustrated.
Remove camshaft sprocket retaining bolt and washer.
Check timing chain deflection for excessive wear.
Slide camshaft sprocket, crankshaft sprocket and timing chain forward and remove as an assembly.
Fig. 8 Timing Chain Alignment
Clean engine front cover and oil pan sealing surfaces of all gasket material and silicone sealer.
Clean and inspect all parts before installation.
Slide camshaft sprocket, crankshaft sprocket and timing chain on as an assembly with timing marks aligned as illustrated.
Install camshaft sprocket retaining bolt and washer. Tighten bolt to 50-70 Nm (37-51 ft. lbs.) . Lubricate timing chain, crankshaft sprocket and camshaft sprocket with clean engine oil meeting Ford specification WSS-M2C 153-G.
CAUTION: The camshaft bolt has a drilled oil passage in it for timing chain lubrication. If damaged, do not replace with standard bolt or damage to engine may occur. Clean oil passage with solvent.
Inspect crankshaft front seal for burrs or cuts. If required, replace crankshaft front seal using Front Cover Seal Replacer T70P-6B070-A.
Position engine front cover gasket onto cylinder block alignment dowels.
Install engine front cover onto cylinder block using caution to not damage crankshaft front seal.
Install engine front cover retaining cover bolts and tighten. See: Timing Cover\Service and Repair\Installation
Install oil pan and new oil pan gasket.
Install water pump if removed.
Install crankshaft damper and crankshaft pulley.
Install crankshaft pulley and damper.
Fill crankcase to the proper level with clean engine oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G.
Fill and bleed engine cooling system.
Connect battery ground cable.
Start engine and check for coolant, oil and exhaust leaks.
Dec 1, 2012.
Dec 1, 2012.
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