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Coily motor.. wierd knock

Tech Talk for Suzuki owners.

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Coily motor.. wierd knock

Post by jonno_racing »

Hey guys...
my coily is makeing a very strange knock sound at idle..

its NOT a big end.. as the noise is from the wrong part of the motor..

its also not the right pitch.. its more of a tinny knock then a actual knock..

it only happens at 1500-2400 when cold... as soon as it heats up its all good..
the engen is on its way out.. But im very intrested to know what this is..

it honislty sounds like gundgen (SP) pin ish...

its the wong pitch to be cam or folowers etc.....

any ideas?
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Post by mud4b »

i can pretty much say your correct.. coily's had a major problem with the first series of engines with the piston number 3 or 4 letting go..


cheers mark
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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lay80n
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Post by lay80n »

Piston skirt shattering on number 3 piston? As Mark said, coilers had big issues with pistons.

Layto....
[quote="v840"]Just between me and you, I actually really dig the Megatwon, but if anyone asks, I'm going to shitcan it as much as possible! :D[/quote]
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Post by jonno_racing »

ok.. thats not what i wanted to here.. its a 98 so first lot yeah??

ok well its knocking now when cold.. how long do they usualy take to detonate?
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Post by Ridge »

coilys started in 96 i think?

when i bought my coily it was rebuilt at 80000ks cause of piston problems.
look at a 1.6 vit conversion,
it will eventually happen again even if you rebuild it.
thats what i will do in another 40000k
4age zook ute in lots of bits
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Post by jonno_racing »

i have a leefy transplant here..
and also have started colecting parts for my new motor..

gti bits and stuff ;)
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Post by just cruizin' »

My early 96 leafy made the same problem so the new motors must have been used it the last of the leaf vehicles
;)
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Post by da13ro »

Can someone try and explain to me the sound in noobish terms? Iv got a 96 coily and im just worried that this may be the sound im hearing when cold!
- Exciting stock 96 Coily Sierra...
- Custom Roll Bar
- Diff breathers
30/31's to come...
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Post by Gwagensteve »

It's generally like a little man with a mallet tapping on the block - it's a knocky sound.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by foolsp33d »

that "little man" is a busy fella.... he spent a little while in mine to...

Image
[quote="-Nemesis-"][quote="bj on roids"]whens the aussie one start?[/quote]

A few episodes before they can it? :lol:[/quote]
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Post by RockHopper »

:rofl: Thanx for the sig Steve
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Post by DavePatrol »

how soon would this happen to the engine mine is a 96 coily and just about to hit 200 thousand and was woundering if this could happen to mine still or would one of the previes owners have fixed it?
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Post by chris.e »

Just make sure the crank pulley bolt has not come loose, have seen that a few times.
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Post by da13ro »

Hahaha, how do i turf this lil man out, im afriad my coily sounds alot like that :(

Just a rebuild kit, will that cover it or do i go shopping for a vit?
- Exciting stock 96 Coily Sierra...
- Custom Roll Bar
- Diff breathers
30/31's to come...
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lay80n
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Post by lay80n »

da13ro wrote:Hahaha, how do i turf this lil man out, im afriad my coily sounds alot like that :(

Just a rebuild kit, will that cover it or do i go shopping for a vit?
.



Till you strip the motor its hard to guess 100%, but if it is the typical coiler piston fault, you will need a rebuild kit and new pistons at least. If the pistons have started to fail or dropped a skirt, or when they fail, then they may have scored the bore as well. Depending on how bad the scoring is you may even need a new block.

Layto....
[quote="v840"]Just between me and you, I actually really dig the Megatwon, but if anyone asks, I'm going to shitcan it as much as possible! :D[/quote]
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Post by ozy1 »

the piston skirt broke on my sisters coily, it drove no problemsfor a week or 2, but we drained the oil which didnt show any signs of damage,

so we pulled the motor out and removed the sump to find some big chunks,

we had the motor rebuilt top to bottom, hope we dont have any dramas again,
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Post by jonno_racing »

well no nead to worry about my motor anymore... :roll:

having massive issues with it today and well and truly cooked it.. it still runs the the taps.. now knock.. its over! :armsup:

so it died of natural causes :armsup: (sticking thermistat and no one on the trip had a shifter to pull the fawking thing out!!!!)

ah such as life!! pick up my new leefy motor next weekend!
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