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Valve tappet clearance of toyota 7k engine inlet and outlet

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0.20mm inlet 0.30mm exhaust

Posted on Nov 27, 2012

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SOURCE: valve tappet clearance of toyota 7k engine

7k clearances are ( HOT ) Inlet 0.008 in ( 0.20 mm )
Exhaust 0.012 in ( 0.30mm)

Posted on Mar 24, 2010

  • 88 Answers

SOURCE: need to check tappet clearance on car

forget book set intake at 10 exhaust same use 20/50 oil hey vote for me ok

Posted on May 26, 2009

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1 Answer

I have a Hatz1B20 diesel engine and it starts easily cold but will not start when hot?


check the tappet clearance when hot should be .012" inlet and
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if the engine has a lot of hours on it , it may need a pump rebuild or the injectors rebuilt but I suspect a valve problem from the tappet clearance being to tight cold

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.010" hot inlet and .012" exhaust hot. if it is an air cooled engine go up.002" in settings.

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Valve Clearances inlet and exhaust


j24b engine D.O.H.C.
U.S.A?
open hood , look up. see white sticker, see clearances.?
off online F.S.M
Valve clearance specification when cold :
59 to 77deg F or 15 to 25deg C (engine temps)
Intake: 0.0063 to 0.0094 inch (0.16 to 0.24mm)
Exhaust: 0.0123to 0.0153 inch (0.31to 0.39mm)
you must remove the bucket,tappet , to change lash.
MIKE IT (that means a micrometer)
then buy shims or new buckets to fit. (generic answer)
the book says buy correct tappet after measuring, yours.
and it's out of range, and doing the math first.

that is it.

May 05, 2013 | 2010 Suzuki Kizashi

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In an inline 4 cylinder 8 valve scorpio 2006 crde engine having 1-3-4-2 firing order which valve is first - the outlet or the inlet


from the belt side first valve is inlet second valve is exhaust..bigger valve is inlet small valve is exhaust also you will have a black colour in exhaust valve stems...

Feb 28, 2013 | 2011 Mahindra Scorpio

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Mazda 6.2 engine valve clearance


tappet clearance for this engine i wouldnt know offhand but 12 inlet and 14 exhaust will suffice without doing any damage and 25th for the plugs

Apr 15, 2012 | Mazda Cars & Trucks

1 Answer

I want to know how much millimeter of valve clearance shoud we put on an engine of 1200, 1300, 1400,1500,1600,1700,1800,2000,etc cc


general rule of thumb on most modern engines except high compression GT engines from the 60s is 12th inlet and 15 exhaust ,nearly all modern engines from the late 70s onwards use this average setting so you cannot go wrong on manual adjustment tappets

Feb 22, 2011 | Toyota Corolla Cars & Trucks

2 Answers

I have problem with my engine 4K toyota. It heard an engine noise during idling, for my little knowledge in engine repair, can you give me any procedure mannuals in adjusting engine valves for my...


Valve Clearance Valve clearance is there to allow the valves to cool in between combustion events (spark), and to make sure the valve closes properly and contains the combustion explosion. You need to cool the valves a little bit, the exhaust valve moreso than the inlet, as it's what sees the most heat as spent burnt gases go past it into the exhaust port. Run too little clearance and you'll cause the valve to "weld" a little bit to its' seat every time it closes, and then take seat metal off again when it opens. Do this enough times and you burn out the valve seat and need the head reconditioned. However, by running less clearance, the valve stays open for that little but longer, and you get more air in and out of the motor, and make more power. Run too much clearance and your motor just sounds like a diesel and loses power and tappet rattle annoys you while you're driving, so it's better to err on the side of caution.
The stock valve clearance (0.008" inlet / 0.012" exhaust, warm) is pretty good for any of the cams I've listed above, they're well-sized street cams, not really wild top heavy race cams that require super high compression to work, so don't be afraid to close the valves up a bit from the suggestions of the cam grinder, which will usually say between 0.010" and 0.014". There are a few ways to set your valve clearances:
Yellow Book Method This is from the factory 3K/4K/5K engine manual, aka The Yellow Books. It's the quick and lazy method.
Set engine to #1 TDC. Crank pulley timing mark should be on 0, distributor rotor should be pointing towards spark plug 1 or 2. Set tappets (counting from the front) 1, 2, 3 and 5. Rotate engine 360 degrees, crank pulley to 0 again, distributor rotor turned 180 degrees. Set tappets 4, 6, 7 and 8.
Nine Method I've never really gotten into doing this, takes too much time and maths for my liking :P Rotate the engine through its' range of movement, as one valve is "on the rock" of its' max lift, subtract the valve number from 9 and that's the tappet you should be setting. For example, if #8 valve is open, set clearance on valve #1. If valve #7 is open, set clearance on #2. And so on.
Stewart uses this method, and rotates the camshaft through its entire base circle and sets the clearance at the highest point. Which is a pretty good idea, as it compensates for the possibility that the base circle has been ground unevenly, and allows you to run the proper valve clearance that you want to run, instead of something that may be a few thou larger in reality.

Feb 10, 2011 | Toyota Corolla Cars & Trucks

2 Answers

Valve tappet clearance of toyota 7k engine and honda civic vtec engine 1.6


7k clearances are ( HOT ) Inlet 0.008 in ( 0.20 mm )
Exhaust 0.012 in ( 0.30mm)

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