940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Camshaft: Service and Repair
Camshaft/Tappets, Installing
Camshafts And Tappets, Replacement
Special tools: 5021, 5199
CAUTION:
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Some noise may be heard from tappets when engine is first started after replacement. However, this will disappear as tappets are filled with oil.
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Engine must not be run at speed higher than 3000 rpm while tappet noise is present.
Replacement of camshafts due to wear
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It is imperative that engine be flushed clean before installing new components.
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In most cases, damage to tappets and camshafts is due to engine oil contamination.
Engine Flushing Procedure
Flush engine
Change oil and filter.
Run engine for approx. 10 minutes.
Drain oil and remove filter.
Install camshafts.
Fit new filter and fill engine with fresh oil of correct grade.
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Camshaft Installation
Oil components
Oil bearings and sliding surfaces on camshaft carrier, bearing caps, camshafts and tappets.
