WOF Regulations

[mudzuki]

The full WOF manual has gone online

http://vehicleinspection.nzta.govt.nz/virms/in-service-wof/general

Exactly what the inspectors use
Might be a handy refrence before any future mods

[wjw]

[coxsy]

think i can't get passed the 50mm increase in height

[Dirtydog]

cheers dude gunna be handy for cert

[snotgoblin]

Not sure I like these statements in relation to section 3-1 Structure;

f) any corrosion that the inspector considers has caused weakening of a load-bearing structure (Note 6), or

g) poor repairs that have not returned the structure to within a safe tolerance of when it was manufactured (Note 3) (Note 6), eg:

i. filler has been used in an attempt to conceal corrosion damage or deformation of a component

ii. a high strength steel component has been heated

iii. a component has been strengthened.

How many WOF inspectors you know have the ability to structurally analyse a vehicle to determine if the structural integrity has been altered from the design integrity?

Not sure how many manufacturers will provide material specs and design loadings without claiming Commercial-in-Confidence or something...

[evilknieval69]

If a wof inspector is unsure on something like that then they are to withhold the wof, (not fail it, but not pass it) until further information can be sought, ie. ask a panel beater.

[snotgoblin]

Reading some other sections it seems that a fair bit of the subjectivity has been removed. So there is less room for interpretation, which I think is good for all concerned.

[Bonus]

So if im reading this right I should NOT have been failed today due to my 50mm lift springs in the back of my terrano,as the following applies to me...

the springs or shock absorbers are direct replacements, and
replacement springs are contained within unmodified OE seats throughout full suspension travel, and
replacement springs are self-retaining in their seats at full extension, without the use of non-standard devices such as wire-ties, straps, or external spring locators, and
replacement springs have not been heated or cut, and
springs and spring seats are not height adjustable (unless OE), and
replacement shock absorbers, including air-adjustable units, fit unmodified OE mountings, and
suspension maintains sufficient travel for safe operation when fully laden, and
suspension components maintain sufficient clearance from unmodified bumpstops when fully laden, and
a minimum of 100 mm ground clearance (unladen and without driver) exists below any part of the vehicle structure, or any steering, braking or suspension component2, and
the normal relationship between front and rear suspension height is not unduly affected.

[Crash bandicoot]

So if im reading this right I should NOT have been failed today due to my 50mm lift springs in the back of my terrano,as the following applies to me...

the springs or shock absorbers are direct replacements, and
replacement springs are contained within unmodified OE seats throughout full suspension travel, and
replacement springs are self-retaining in their seats at full extension, without the use of non-standard devices such as wire-ties, straps, or external spring locators, and
replacement springs have not been heated or cut, and
springs and spring seats are not height adjustable (unless OE), and
replacement shock absorbers, including air-adjustable units, fit unmodified OE mountings, and
suspension maintains sufficient travel for safe operation when fully laden, and
suspension components maintain sufficient clearance from unmodified bumpstops when fully laden, and
a minimum of 100 mm ground clearance (unladen and without driver) exists below any part of the vehicle structure, or any steering, braking or suspension component2, and
the normal relationship between front and rear suspension height is not unduly affected.

and whats the margin of error, who is to say you didn't intentionally lift it 49mm?

[Bonus]

So if im reading this right I should NOT have been failed today due to my 50mm lift springs in the back of my terrano,as the following applies to me...

the springs or shock absorbers are direct replacements, and
replacement springs are contained within unmodified OE seats throughout full suspension travel, and
replacement springs are self-retaining in their seats at full extension, without the use of non-standard devices such as wire-ties, straps, or external spring locators, and
replacement springs have not been heated or cut, and
springs and spring seats are not height adjustable (unless OE), and
replacement shock absorbers, including air-adjustable units, fit unmodified OE mountings, and
suspension maintains sufficient travel for safe operation when fully laden, and
suspension components maintain sufficient clearance from unmodified bumpstops when fully laden, and
a minimum of 100 mm ground clearance (unladen and without driver) exists below any part of the vehicle structure, or any steering, braking or suspension component2, and
the normal relationship between front and rear suspension height is not unduly affected.

and whats the margin of error, who is to say you didn't intentionally lift it 49mm?

I reckon its the wof guys "eyecrometre"

[Dirtydog]

just chuck some sagging ones in it that dont clear the bumpstops....

then ask him how he passed it.

[crazyclark31]

no were does it say about 50mm lift or any lift for coil springs.
The 50mm lift is for the blocks used for leaf springs.
The way its written to me says that as long as the springs fit straight in and remain tightly seated through the full cycle and at full extenstion with no modifications then they are fine.

the springs or shock absorbers are direct replacements, and
replacement springs are contained within unmodified OE seats throughout full suspension travel, and
replacement springs are self-retaining in their seats at full extension, without the use of non-standard devices such as wire-ties, straps, or external spring locators, and
replacement springs have not been heated or cut, and
springs and spring seats are not height adjustable (unless OE), and
replacement shock absorbers, including air-adjustable units, fit unmodified OE mountings, and
suspension maintains sufficient travel for safe operation when fully laden, and
suspension components maintain sufficient clearance from unmodified bumpstops when fully laden, and
a minimum of 100 mm ground clearance (unladen and without driver) exists below any part of the vehicle structure, or any steering, braking or suspension component2, and
the normal relationship between front and rear suspension height is not unduly affected.

[tallsam66]

Got to agree ....your spring lift should be fine.

no were does it say about 50mm lift or any lift for coil springs.
The 50mm lift is for the blocks used for leaf springs.
The way its written to me says that as long as the springs fit straight in and remain tightly seated through the full cycle and at full extenstion with no modifications then they are fine.

the springs or shock absorbers are direct replacements, and
replacement springs are contained within unmodified OE seats throughout full suspension travel, and
replacement springs are self-retaining in their seats at full extension, without the use of non-standard devices such as wire-ties, straps, or external spring locators, and
replacement springs have not been heated or cut, and
springs and spring seats are not height adjustable (unless OE), and
replacement shock absorbers, including air-adjustable units, fit unmodified OE mountings, and
suspension maintains sufficient travel for safe operation when fully laden, and
suspension components maintain sufficient clearance from unmodified bumpstops when fully laden, and
a minimum of 100 mm ground clearance (unladen and without driver) exists below any part of the vehicle structure, or any steering, braking or suspension component2, and
the normal relationship between front and rear suspension height is not unduly affected.

[silveradoman]

so what will this mean to our bullbar fitment?
where it states not to slope forward.
the bar i was going to build leans forward like the baja comp trucks.
it wouldn't look to good at at 90 degrees standing vertical.
looks like this ->
http://i212.photobucket.com/albums/cc91 ... prerun.jpg

[tallsam66]

Fail unless you have it certed.

so what will this mean to our bullbar fitment?
where it states not to slope forward.
the bar i was going to build leans forward like the baja comp trucks.
it wouldn't look to good at at 90 degrees standing vertical.
looks like this ->
http://i212.photobucket.com/albums/cc91 ... prerun.jpg

[silveradoman]

yea that's lame a.
whats the difference between that and an arb bar (impact wise ) or the old fj45 railway irons

[tallsam66]

Re Bulllbar sloping forward ..it not allowed

See
2-1 External projections

c, slopes forward, unless this is necessary to fit the contours of the vehicle

yours slopes forward ...FAIL.