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[Peanuts]

Hi guys
got to change the starter motor, is it easy to get at with car up on ramps, anything to look out for when doing the job, not great mechanicaly, but willing to give it a go.

Regards
Peanuts

[Marks DTM Calib]

Which engine is it on...?

[STMO123]

2.0 Pre-Facelift Mark

[Peanuts]

pre-face lift, 2.0 gls (peanuts)

Which engine is it on...?

[Marks DTM Calib]

Its actually fairly obvious........disconnect the battery 0V and work from below the car, the starter is on the drivers side of the engine block and pokes into the bell-housing.

Disconnect the main feed wire from the back of the starter and the switch feed (lighter gauge wire), check the switch feed wire and connector carefully as they can cause non starting if the connector starts to get a bif iffy, if it doesn't look great then cut the old connector off and crimp a new one on.

The starter is held by two main bolts, the one at the bottom is easily accessed from below, the upper one is removed from the transmission side....there is also sometimes a mounting plate on th rear of the starter which is bolted to the block.

Re-fit is reverse of removal....note the following before replacing the unit as starters VERY rarely fail (in fact this will be the first one I have heard of on an Omega)

1) If your getting slow cranking then check the main battery to engine earth feed, you can prove this is the problem by using a jump lead to connect the battery to a good earth on the engine block i.e. lifting eye).

2) If you get intermittent failure to start then check the switch feed as described above and that the ignition switch is working well.

[Peanuts]

first thanks for the info    

you say it is rare for the starter to fail, I hope I am the rare case  , than will have sorted it,  the exact symtems are.

1 early mornin, I know it will start first time.
 
2 do at least a 12 mile rounds trip, engine now at working temp, pull into drive, or where ever, stop for 1/2 to 1 hour, return to car

3 turn switch, NOTHING. try several times, NOTHING, not even slow cranking

4 next morning go to where ever car may be, turn key, starts first time ( have also tried to start before morning, NOTHING.

Will complete the job of pulling my hair out, wife thinks I may look good with a bald head.  

[Marks DTM Calib]

My money would be on the switch feed described above.....

[Essex_Andy]

Could be a weak and dying battery and try the earth suggestion.

A cold engine is easier to turn over....pistons aren't up to size

[STMO123]

A cold engine is easier to turn over....pistons aren't up to size

Thats a new one on me

[Essex_Andy]

Takes about 5 to 10 miles for tolerances to be taken up as internal components expand.

If you car is manual keep the clutch down when starting and if an auto slide into N before starting
Less load on starter and battery

Apologies if you do that anyways