Valve Clearance Adjustment service for 80 series L/C
Submitted: Wednesday, Mar 23, 2005 at 15:07
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Pedro14
I recently posted on gas consumption on this thread
http://www.exploroz.com/Forum/View.asp?ForumQID=21113&Keywords=pedro14&Page=%2FForum%2FDefault%2Easp%3FDisplaySet%3DActive%26Search%3D1%26Keywords%3Dpedro14%26Search%5FTopic%3D%26Search%5FBody%3D%26Search%5FName%3Don%26PN%3D1
As mentioned there Ron at Caloundra Torguegas thought it might be that the Valve clearance needed adjustment as
well as retuning.
He suggested clearance should be checked every 20/40000kms and when I checked with Toyota they said around every 80000ks.
Vehicle has done over 188000ks and to my knowledge it has never been done.
When do others with a similar vehicle have their's checked, and what are the possible problems I might find seeing there has never been a
check before?
By the way sorry for the lengthy thread address I don't know how to include it in a blue "here" like I see on other posts.
Thanks
Pedro
Reply By: Footloose - Wednesday, Mar 23, 2005 at 16:15
Wednesday, Mar 23, 2005 at 16:15
80 series valve tappet clearance is fairly stable over time. They need to be measured cold. The real problem is adjusting them, as there are standard size shims, and the ones you need will invariably a different value. You need to have access to someone who can grind them properly.
As you can see its not a job for the faint hearted, and is labour intensive to do it properly.
Pay a mechanic to do it right, also buy a handbook for the 80 series :))
AnswerID:
103607
Follow Up By: Pedro14 - Wednesday, Mar 23, 2005 at 16:20
Wednesday, Mar 23, 2005 at 16:20
Thanks Footloose,
I have it booked into Toyota at the
Gold Coast for the job, as to take it to Caloundra would have meant an overnight stay to have the vehicle "cold" for the valve job.
Pedro
FollowupID:
361116
Reply By: Grumpybum - Wednesday, Mar 23, 2005 at 19:07
Wednesday, Mar 23, 2005 at 19:07
Sorry can't help on the 80 Series. I have a 2000 model 100 Series on dual fuel. When the conversion was done by Gas Converters in
Perth, the advice was have the clearances checked every 10,000 K as this was quite critical. I also had installed a FlashLube system
I have had this done and no probs in the first 20,000 .... so don't really know if it helps!! (me or you!)
Cheers
John
AnswerID:
103626
Follow Up By: Pedro14 - Wednesday, Mar 23, 2005 at 20:51
Wednesday, Mar 23, 2005 at 20:51
Thanks GB,
will probably do it on a regular basis in future.
Pedro
FollowupID:
361158
Reply By: Member - Phil G (SA) - Wednesday, Mar 23, 2005 at 20:38
Wednesday, Mar 23, 2005 at 20:38
I thought factory recommendation was 80k for valve clearance. But with LPG, and the increased likelihood of valve
seat recession, 40k was the common recommendation.
Checking clearances is not hard, but adjusting them is. Needs a special tool and a box full of shims. I'd get it done by a good 4wd workshop.
AnswerID:
103637
Reply By: Member Eric - Wednesday, Mar 23, 2005 at 20:48
Wednesday, Mar 23, 2005 at 20:48
Valves are only adjusted by shims , looser is better than tighter . Usually if your clearences are out , its time for new valve seats
AnswerID:
103638
Follow Up By: Pedro14 - Wednesday, Mar 23, 2005 at 21:03
Wednesday, Mar 23, 2005 at 21:03
Thanks Eric,
Lets hope clearances are not out.
Pedro
FollowupID:
361162
Reply By: Member - Robert (WA) - Thursday, Mar 24, 2005 at 09:02
Thursday, Mar 24, 2005 at 09:02
Hi Pedro14
Yes you should
check the tappet clearance more often when the vehicle is on gas
There is a modifiod cam you can get that runs more tappet clearance and you get more power out of it as
well
the problem with standard cams and clearances on gas is the exhaust valves get a lot hotter and when they get hotter they grow and this closes the valve clearances
if you would like the name and phone number i can send it to you
Good luck
Robert
AnswerID:
103682
Follow Up By: Pedro14 - Thursday, Mar 24, 2005 at 09:18
Thursday, Mar 24, 2005 at 09:18
That would be appreciated Robert.
Thanks
Pedro
FollowupID:
361205
Reply By: Member - Robert (WA) - Thursday, Mar 24, 2005 at 09:40
Thursday, Mar 24, 2005 at 09:40
Hi pedro14
The name and phone number is
Noel 08 93091925
Perth wa
Robert Fraser
AnswerID:
103686
Reply By: Doug Mac - Thursday, Mar 24, 2005 at 11:42
Thursday, Mar 24, 2005 at 11:42
Pedro,
I've just had the 160,000km service done and had a labour bill of over $700. They still had another two hours work to do to complete the service. The whole service was over $1200, I hadn't expected that, so I checked the service book.
The book says to expect 10.8 hours of labour for the 80,000 and 160,000 service.
Doug
AnswerID:
103703