Question about 1994 Volvo 850

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Valves per cylinder?

Just re-taxed my UK model 850 SE Estate online - first time since buying it 2nd hand last Nov.
Engine cover (plastic) states 20V, as did the garage selling - I was not impressed by the 10V reviews so went straight for a 20V.
DVLA system has my car as a 10V vehicle... How can I check and what comeback do I have against the dealer if it's been incorrectly described and sold?

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I have never seen a Volvo 850 with anything other than 20 valves. It's 4 valves per cylinder.

Posted on Oct 31, 2008


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Ok 1990 geo storm 1,6 litre dohc replaced water pump replaced 3 valves replaced head gaskets replaced timing belt car wont start any ideas?

90 Storm, must be in Canada, 1,6 (the comma tells me this)
the storm is a:
The car is really an Isuzu Impulse minus some of that car's more expensive features.
my guess is you drove the this 4EX1 engine until the cam belt slipped. yes> if yes you bent valves.????????????
so does compression exceed 150psi on all 4 cylinders now?
we use the cylinder leak down test in all DOHC .
if not , back to the drawing board.
if yes, the we check spark next, then try test fuel.
when did the engine last run , last week,month , year,?
who did your valves, a real machine shop or kid down the street.
a read shop pressure tests the head ,and warp checks it and
then makes sure the valves are ready for long service.
are the head bolts at 58 ft/lbs
did you use sealant on the 3 cap caps, per the FSM book.
if not , top end oiling will fail. and cams wrecked.

the 1.6l DOHC has no HLA's
the lash on valves must be checked, and this is corrected with SHIMS.

a pro machine shop does the for you,did they:?
when rebuilding engines, its best to read the factory service manual first. FSM so you know the special steps just for this engine.
ISUZU engine it is.

1.6L Twin Camshaft Engine
  1. Disconnect the negative battery cable.
  2. Remove the cylinder head or valve cover.
  3. Position the No. 1 cylinder at TDC on its compression stroke.
The notch on the crankshaft pulley should align with the 0 degrees mark on the timing gear case. Make sure the rocker arms on the No. 1 cylinder are loose and the rockers on the No. 4 cylinder are tight. If not, turn the crankshaft one complete revolution and align the marks again.
  1. Using a feeler gauge, measure the clearance between the cam lobe and the selective shim on the intake and exhaust valves on the No. 1 cylinder, then the intake valves on the No. 2 cylinder and the exhaust valves on the No. 3 cylinder. Note readings.
  2. Rotate the crankshaft 360 degrees. Using a feeler gauge, measure the clearance between the cam lobe and the selective shim on the intake and exhaust valves on the No. 4 cylinder, then the intake valves on the No. 3 cylinder and the exhaust valves on the No. 2 cylinder. Note readings.
  3. The valve clearance obtained on the exhaust valves should be between 0.008-0.012 in. (0.20-0.30mm). If not, replace the selective shim by turning the camshaft lobe downward and installing tool J-38413-2 or J-38413-3 (valve lash spring spacer) between the camshaft journal and the cam lobe next to the selective shim. Turn cam lobe upward and remove the selective shim. Install new shim using the selective shim chart.
The rear camshaft bearing caps must be removed to remove the selective shim.
  1. The valve clearance obtained on the intake valves should be between 0.004-0.008 in. (0.10-0.20mm). If not, replace the selective shim by turning the camshaft lobe downward and installing tool J-38413-2 or J-38413-3 between the camshaft journal and the cam lobe next to the selective shim. Turn cam lobe upward and remove the selective shim. Install new shim using the selective shim chart.
  2. When the adjustment is completed, install the cylinder head covers and connect the battery negative cable. Start the engine and check for leaks.
end fsm quote.

see those 2 marks, and crank must be at TDC. mark first.


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1 Answer

Need valve lash specs for 1980 suzuki dr400

Suzuki DR400S - Motorcycle Specs
1980. Engine. Air cooled, four stroke, single cylinder, SOHC, 2 valves per cylinder ....Valve adjustment can be done without a feeler gauge and the CDI has ..

Dr400 valve adjustment 1 - YouTube

? 2:08
Nov 19, 2010 - Uploaded by obtrailriders
Dr400 valve adjustment 1. ... Suzuki DRZ 400 Valves clearance check \ sprawdzanie luzu zaworowego PART 2 ...

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Engine number identification

You have not provided sufficient information with regard to your "concerns" the difference has risen. So, if your Cabriolet has a
  • 2,976 cc 3 liters V 6 front engine with 82.5 mm bore, 92.8 mm stroke, 10.1 compression ratio, double overhead cam and five valves per cylinder and use Premium unleaded fuel and get 18 to 30 mpg there should be no concerns. The engines could have different codes for different emission packages depending on what state the car was built for -- example: California Build vs New York Build.
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    Volvo 850 tight engine - injectors + oil leak from top of cam cover

    could be from
    bad injectors
    air in fuel
    leakdown from problem pressure regulator valve
    glo-plugs not operating
    pump not producing the desired pressure
    at this point I suspect that injectors/ pump need reconditioning as the unit is 21 years old probably never having either serviced
    take it to an accredited diesel specialist shop for a proper diagnosis and quote

    Apr 01, 2017 | 1996 Volvo 850

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    I just replaced my timing chain on my 302 but when I put it all back together it wont turn over like the motor is locked up and you cant turn the crank by hand??? Did I miss something

    Sounds like engine is out of time and pistons are hitting valves locking engine up especially if it turned over and ran before you took it apart this is most likely cause. Remove timeing cover and verify timing marks are properly lined up on gears, then roll engine by hand, if it does not turn then it is hydro locked(fluid in cylinders with valves closed) or mechically locked(dropped a foriegn object into cylinders or bearings/pistons seized). good luck, if out of time you could have bent valves. Need to remove heads and verify if engine has a miss when you get it running.

    Mar 01, 2010 | 1989 Ford Mustang

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    97 volvo 850 with a milky dipstick, looks like a head gasket is in my future, any special knowledge needed, I've done many but not on this car yet, it'll be my firs, I've learned about the head bolt...

    your best bet is to buy a Haynes book on your car from Autozone for $20.00
    It will tell you if you have stretch bolts or not in your engine.

    Feb 01, 2010 | 1997 Volvo 850

    1 Answer

    Lifters on a 2000 hyundai Accent

    3 valves per cylinder 4 cylinder engine, 3X4 is 12, so yes 12 is correct, no u don't have to change all of them, just the defective ones, the reason they want to do this is one of 2 things, there is a problem with the design of the original lifters and they want to update them, 2nd reason is they have been unable to isolated which lifter(s) are causing the tapping noise.

    Jan 09, 2009 | 2000 Hyundai Accent

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    Timing belt broke

    I've heard that honda engines are made so that if your timing belt does brake theres enough room for them not to hit the valve cover, but hey i could be wrong only way to find out is to take off the valve cover and inspect

    Nov 25, 2008 | 1989 Honda Accord 4 Door

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    Thermostat location on a 98 audl a6 2.8 liter motor

    This is the 30v engine (the valve cover dress-up panels should say "5V" on them, for five valves per cylinder). On this engine, the thermostat is buried in the front of the engine, and requires serious disassembly to reach. The front of the car must be swung open into what is called the "service position" to allow easy access to the front of the engine, and then the fan, accessory belt and tensioner, and timing covers have to be removed. Access to the thermostat is partially blocked by the timing belt tensioner, so that will likely have to come off too. If you're going to change it all, you might as well put on new parts and get your timing belt service out of the way. You can buy complete kits for the timing belt service online at a variety of supply shops for about $250. It seems ridiculous to do this much work to change a $14 part, but unfortunately that's the reality of this engine.

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    Engine over heated very quickly . engine died and will not start back what could be causing it not to start back after engine has cooled ? It does turn over as if it going to. there's no sign of water in...

    you have to do a compression test on this engine I is possible he cylinder head casket
    has blown between cylinders,or you have destroy piston rings and cylinders
    .Remvove the rocker cover and check the valves are
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    rocking betveen in and out and check ignition time it is possible your problem
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