Tom
SOURCE: torque on rocker nuts
First of all, put down that torque wrench! It's BS that the mfr puts in there to cover their ***.
You'll need a 14mm and 10mm open end and of course a set of feeler gauges.
With the small nut loose set your gap ( .006 intake/ .008 exhaust +/- .001 on each). Once you got your gap, hold the large nut with the 14mm and tighten down the small one. Now check your gap again, it hard to keep from moving slightly and my take a few attempts. You want to make it snug but don't gorilla torque it.
SOURCE: specs for a 1997 Ford Ka 1297 cc
If the vehicle is fitted with a Rocam engine, the valve clearance is not adjustable, hydraulic lifters.
The camshaft caps are torqued in two stages, first 10Nm and than 90 degrees
SOURCE: can you tell me the torque settings on a rocker
on the 4.0 its , first tightning 3nm, second tightning 7nm and its the same for the 4.6 hope that helps
SOURCE: ENGINE TORQUE SETTING FOR ASSEMBLY ON MAINS,BIGENDS AND CYLINDER HEAD AND VALVE CLEARANCE
As you have not specified what engine , I suggest that a workshop manual for the engine would be a good idea as it will have all these details and other information that you will need down the track.
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