ok! when you first start the car and select reverse i presume this is when u get the crunch, this happens alot it happens to mine (astra sporthatch) believe it or not the manual to my car states: if you are selecting reverse gear from initially starting the engine it is recommended that you...
personally i wouldnt touch or event attemppt to put simoniz armorall or even a household product near my car- if u want to get them black again and keep them permeanent u will have to paint them with a satin black paint - the cheaper method is to use a GOOD QUALITY polish to restore the colour...
spark u can check ur mobo manual (online if u havent got one) but im sure it will say it there that u can match them by put one in another slot!
just make sure that they are exactly the same spec including the bus speed
ive got an asus motherboard with 4x slots 2x black 2x yellow
ive got 2gb matched 1 stick in black slot and 1stick in yellow slot works fine and very quick
have u only got 2x slots for your memory - on some mobos there are four 2x black and 2x different colour- if you want to match then you put 1x in black and 1x in colour.
also are the speeds of the meory the same??
hth
this has happened to me before with the poundland ones too- i used a pair of moles on the valve and a pair of moles on the cap and twited them against each other- certainly wont use them agen.
copper grease is meant to be used on road bolts ( i use it all the time)- and by driving it wont throw it off- just put a bit on the thread and tighten them up.
its about £3 for a tube of it.
try not to get it on ur hands either ive heard its not very friendly with skin???
stozzer beat me to it- you can successfully use a matt black spray paint on ur carpets- just take ur time and do very light applications until u get the desired effect.