Rad needs to be reversed flushed to be effectively cleaned out.
Reassemble reconnect rad refill coolant.
With stat still removed, start cold engine and check cold coolant flow in top of rad with the rad cap open.
Ensure that the flow rate rapidly increases when cold engine is reved up and that...
Radiator may be partly blocked with sludge and crud to which you refer.
Also w pump may not be able to supply sufficient cooling flow rate through the partly clogged rad.
Fittng new parts at random is not a viable economic option with 1996 vehicle.
if the w. Pump is turning but is not circulating enough cooling H2o then it's possible that it is boiling in the engine block producing steam, bubbling,Gurgling.
Yes
REMOVE Water temp control stat.
And reseal it's cover housing, top up water level.
then run engine with stat removed to test if it still quickly overheats
Wow!
A shed load of blood, toil & treasure expended?
I feel tired just spending half an hour reading thru & thinking about it all.
Now it looks too good to use as a runabout & appears to be for classic shows to show off your photo documented good work?
Good luck.
I don’t know the exact answer to your p/n query @ £42, as I would always DIY repair odd bits like lamp holders.
The former prolific MSC member Squarpants, with over 5k messages, seemed to have a relevant solution in that its interchangeable between K11 original & K11 facelifts...
Quote: “ i don't want a potential safety issue. Looking around on here for similar threads could it be CV, ball joints, bushes, wishbone? I'm just throwing out words as haven't a clue what half these things mean”
May I suggest that for peace of mind, you get it to your local car repair/MOT...
I rather suspect that the original K11 Nissan Micra design engineers & Sunderland factory got the K11 right from the get go in 1992?
My 1998 K11 1300cc is all original unmolested & just keeps going with only my simple DIY servicing in my shed every 2 or 3 years & no worries. My K11 still has...
Perhaps a can of worms the lessor of many evil weevils?
Nissan Micra K11 1.3 Engine for sale | eBay
You pays your money & takes your choice.
Good luck.
Talk to & get quotes from your trusted local garage workshops.
A days work for a fitter in a fully equipped workshop who may find that the alloy head & alloy eng. block gasket machined mating surfaces have been eroded by coolant over its 25 years life, & thus beyond economic repair?
Getting...
If you suspect fuel pressure, may I suggest that It will be quicker, easier & more efficient to measure the fuel pressure throughout the rev range at the injectors /pressure regulator fuel distribution manifold?
Pressure Gauge Prices: Petrol fuel injection Pressure gauge at DuckDuckGo