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 valve adjustment?

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zoochy
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Number of posts : 148
Home City : Tropical Canada
Model and year : LH107G 1991
Registration date : 2007-01-21

PostSubject: valve adjustment?   Mon Oct 22, 2007 1:51 am

I have 3L (2.8 L diesel) and am wondering if the valves have to be adjusted at any regular interval or do they adjust themselves automatically???
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JohnHRef999
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Number of posts : 148
Age : 65
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission
Registration date : 2007-07-17

PostSubject: Re: valve adjustment?   Mon Oct 22, 2007 8:14 am

If the valve seats wear the valve gap closes after VERY high mileage or overheating or ? head gasket gone .
If you want to check them I have the 3L engine manual plus all the shim sizes - its a bug*** to get 'em right.
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zoochy
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Number of posts : 148
Home City : Tropical Canada
Model and year : LH107G 1991
Registration date : 2007-01-21

PostSubject: Re: valve adjustment?   Mon Oct 22, 2007 7:20 pm

I have not had overheating issues, only at 150,000 km, and it's running fine. I was just wondering if there was a suggested milage to adjust them.

I'll leave them alone because like my father use to say...
If it's not broken, don't break it.
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JohnHRef999
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Number of posts : 148
Age : 65
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission
Registration date : 2007-07-17

PostSubject: Re: valve adjustment?   Mon Oct 22, 2007 8:09 pm

I'll get the data and post it.
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JohnHRef999
Been here a while
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Number of posts : 148
Age : 65
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission
Registration date : 2007-07-17

PostSubject: Re: valve adjustment?   Mon Oct 22, 2007 10:08 pm

Valve clearances COLD
Inlet 0.20-0.30mm (0.008-0.012 in)

Exhaust 0.40-0.50mm (0.16-0.020in)

At TDC check No 1 in No3 Ex No1 in No2 IN
Rotate 360 degrees Check No2 Ex No4 Ex No3 In No4 In

Recommended to be checked when Timing Belt Changed
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