I have vw mk3 golf deisel cl n reg I have change starter and battrey al fine wont start in morning without jump pack and turns over and over but starts first time al day please help

The first thing you need done is to have the battery load tested and verified as being in good condition,.

REPLACE THE THERMOSTAT,then bleed the system of all air by undoing the top heater hose clip to vent.

have you reset the immobiliser??

hi from uk check the main lead from battery+positive to the starters solenoid is secure ? also there is a thin wire that also connects to solenoid on a terminal of its own this is the solenoid energizing wire that works starter when key start position is selected if all above is ok? then use a jump lead and connect one end to battery negative post then the other end of lead to a suitable earth point on engine ? then try starting? if it works/starts ? you have a bad earth connection to engine from battery negative lead check the earth lead connection at point on engine is clean/secure ? it usually is secured by bolt at point where engine and transmission connect ? hope this helps?

HI CHECK BATTERY VOLTS SOUNDS LOW SHOULD B 13.8 CHEERS

Hi Frank
If as you say....Nothing is happening at all when you turn the key, you appear to have one of two problems. A faulty starter motor--or--- A faulty ignition switch. If you can tap the starter motor while another person keeps the key turned to the start position, and the engine now starts you now know it is a starter problem. When doing this PLEASE MAKE SURE THE VEHICLE IS OUT OF GEAR.
If it should start up, or even engage the starter motor while IN GEAR, serious injuries could happen, and I do not mean to your car.
Good luck
John

have the battery replaced and then use a scanner to reset the ECM

if its a similar engine to the standard vw's then you can bend the spring loaded tensioner right behind the alternator with a spaneer (shifting spanner works well) and it loosens the belt.

key off and out,diconnect negitive side of battrey then postive.clean terimals,charge battrey,connect postive cable (with key off)connect negitive.and start.
your dead battrey is taking up a big load on system,so when you boost it the dead battrey is taking it all the starter is geeting vey little.thats the clicking.
if you dont have a charger dicconect both terminals the same way again,put the jumper cables on the dead battrey.let it charge battrey for 10 15 mins .the longer the better.remover jumpers.
with key off and out conected battrey terminals.connect jumper cables and start.
let me know if it start or not hopefully the key hasnt lost its coding.

It may be the fuel filter try having it replaced