Replacement of CAS query

[rvrftw]

Ok, so my car wont start, it just constantly cranks.
so I got a new CAS, and am now trying to remove the old one to install the new one.
However for the life of me, I cant undo the central screw that holds the metal plate over the CAS. Is there some special trick to undoing this screw?
So far all I did was remove the CAS module from the head, and unbolted the cover off the module.

 

[khubner1]

what car? as far as i knew there was 2 bolt either side that you undo and then you pull it out

 

[rvrftw]

yeah, i undid the bolts & pulled out the whole housing. Now i am trying to get the actual sensor out to put a new one in.

 

[khubner1]

i thought you bought them as a complete unit housing and all

 

[rvrftw]

nah... meek just sold the sensor

 

[nigel_a]

id use an impact screwdriver to get the screws out if theyre too tight

 

[EvilRacer]

For which car dude?

 

[BMGTZ]

Never found one that cant be undone by clamping the cam drive part into a vice with soft jaw covers...then use a big screwdriver with a square shaft. adjust an adjust able spanner to fit shaft...hold top of screwdriver and apply force down while turning spanner

 

[3zercrowd]

^^^ This....

 

[rvrftw]

All good now... I just cheated and took it to a mechanic who undid it for $5.
Now I just have to sort out the coolant sensor issue and the bastard might start properly when cold.

Apparently the coolant sensor is registering the coolant temp as -29 on a 35 degree day