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No valve movement on 320 John Deere lawn tractor.

Wanting to know if camshaft is run by gear or chain.

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The jd 320 lawn tractor is fitted with a 2 cylinder water cooled vertical shaft Kawasaki engine
parts numbered -j59051 and , I 59051 show it as a gear driven cam shaft
I would be looking for the rocker arm bolts loose /stripped, bent push rods or the key or the key that drives the crank gear has sheared

Posted on May 02, 2017


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How to time crankshaft and camshaft on a 1950 john deere a

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Have a ford 2n tractor with stripped camshaft gear. no timing mark on crank gear. how to time crank to cam?

Find number one cylinder and bring it to TDC, Rotate the cam till both valves in that cylinder are closed and then hook the chain to the gears. crank it by hand while observing the valves to be sure they are operating normal in respect to intake, compression and exhaust.

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How do you adjust valves on a 2006 3.5L V6 Toyota Avalon?

There is a Toyota Technical Service Bulletin issued for this:-
T-SB-0291-08 September 11, 2008 2GR-FE Valve Timing

Procedure Service Category Engine/Hybrid System Section Engine Mechanical Market USA Applicability YEAR(S) MODEL(S) ADDITIONAL INFORMATION 2005 - 2009 Avalon 2007 - 2009 Camry VDS(s): BK46K 2008 - 2009 Highlander 2006 - 2009 RAV4 Engine(s): 2GR VDS(s): BK31V, BK32V, BK33V, BK34V, ZK31V, ZK32V, ZK33V, ZK34V, ZK35V 2007 - 2009 Sienna Introduction This service bulletin provides information regarding valve timing inspection and service guidelines for vehicles equipped with 2GR-FE engines. © 2008 Toyota Motor Sales, USA Page 1 of 5 T-SB-0291-08 September 11, 2008 Page 2 of 5 2GR-FE Valve Timing Procedure Introduction (Continued) Figure 1. 3 2 1 5 9 8 7 6 4 1 RH Bank Intake Camshaft Timing Gear 2 RH Bank Exhaust Camshaft Timing Gear 3 RH Bank No. 2 Timing Chain 4 Crankshaft 5 Idler Gear 6 Timing Chain 7 LH Bank No. 2 Timing Chain 8 LH Bank Exhaust Camshaft Timing Gear 9 LH Bank Intake Camshaft Timing Gear Warranty Information OP CODE DESCRIPTION TIME OFP T1 T2 N/A Not Applicable to Warranty © 2008 Toyota Motor Sales, USA T-SB-0291-08 September 11, 2008 Page 3 of 5 2GR-FE Valve Timing Procedure Inspection 1. Set the No. 1 cylinder to TDC/compression. A. Set the timing mark to 0 on the timing chain cover by rotating the crankshaft clockwise. B. Verify the timing marks on the camshaft timing gears are in general alignment with the timing marks of the camshaft bearing cap: TIMING MARK IDENTIFICATION CYLINDER BANK INTAKE GEAR MARK EXHAUST GEAR MARK RH Bank (Bank 1) Small Mark Single Line LH Bank (Bank 2) Large Mark Double Line HINT When the engine is correctly timed, the timing marks will NOT perfectly align. Figure 2. Figure 3. RH Bank Exhaust Camshaft Timing Gear 1 2 1 Bearing Cap Timing Mark 2 Gear Timing Mark Figure 4. RH Bank Intake Camshaft Timing Gear 2 1 1 Bearing Cap Timing Mark 2 Gear Timing Mark © 2008 Toyota Motor Sales, USA T-SB-0291-08 September 11, 2008 Page 4 of 5 2GR-FE Valve Timing Procedure Inspection (Continued) Figure 5. LH Bank Intake Camshaft Timing Gear 1 2 1 Bearing Cap Timing Mark 2 Gear Timing Mark Figure 6. LH Bank Exhaust Camshaft Timing Gear 1 2 1 Bearing Cap Timing Mark 2 Gear Timing Mark HINT If the timing marks appear vastly out of alignment, turn the crankshaft one revolution (360 ) clockwise and note the position of the timing marks. Component Removal Guidelines 1. If engine disassembly is required that involves removing the camshafts or timing gears, set the #1 cylinder to TDC compression, wipe away any oil, and mark the following items in relation to each other prior to disassembly: • Timing gears • Timing chain • Timing chain No. 2 NOTE This relationship MUST be maintained. The intake gear is timed in relation to the crankshaft via the timing chain; the exhaust gear is timed in relation to the intake gear via the No. 2 timing chain. © 2008 Toyota Motor Sales, USA T-SB-0291-08 September 11, 2008 Page 5 of 5 2GR-FE Valve Timing Procedure Component Removal Guidelines (Continued) 2. If NEW camshaft timing gears or the No. 2 timing chain are being installed, the two yellow links on the No. 2 timing chain can be used to ensure correct relationship between the intake timing gear and the exhaust timing gear. Figure 7. 1 1 Yellow Link A. Align the paint mark on the timing chain with the intake gear timing mark (to ensure the intake gear is correctly timed to the crankshaft). Figure 8. RH Bank and LH Bank 3 3 4 3 3 4 5 4 5 4 1 2 1 RH Bank 2 LH Bank 3 Yellow Link 4 Gear Timing Mark 5 Timing Chain Paint Mark B. Align the two yellow links on the No. 2 timing chain to the timing marks on

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2 Answers

Hi I have this like going from low to high grinding noise near by the camshaft gear or the valve cover but about as high as the camshaft gear it does it after starting car and when start acceletaring and...

Sounds like a Belt or timing chain is slapping inside the Cover ,,, usually a sign that your Belt or chain tensioner is broken ,,, i wouldn't run it to long ,,as it will skip and do serious engine damage ,,GET IT TOWED TO A TRUSTED SHOP !!!

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1 Answer

Timing settings on john deere 2140 four cylinder tractor

Setting valve timing isn't rocket science. Step 1 is to turn the crank until the timing mark on the pulley is aligned with the mark on the block. If you can't find the timing marks remove the no 1 spark plug or injector. Place a straight piece of wire into the hole and slowly turn the crank until the wire is pushed right to the top. At this point there will be a slight movement of the crank either way where no movement is felt or seen on the wire. This is called top dead centre (tdc) on no. 1 cylinder. By the way, no 1 cylinder is always the cylinder nearest the radiator.
The next step is to turn the camshaft - assuming the tappet cover has already been removed - and to watch for the point at which the no 1 cylinder's valves "rock", that is, the exhaust valve closes just before the intake valve opens. Watch the tappets, they will alternate as you move the camshaft, which by the way is not easy to do since you have to overcome the compression of the valve springs.
Once you have no1 tdc set and no1 valve set rocking, attach the timing chain and replace the spark plug / injector.
If your tractor has a petrol (gasoline) engine, remove the distributor cap. See that the distributor rotor is pointing to the no 1 spark plug wire position on the cap. Turn the engine anticlockwise just a mite off tdc, and see if the point gap is just breaking.
If all these timing issues are sorted, the engine should kick over without any hassles.
Have fun, mechanics are a gas.

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1 Answer

Valve jamming on piston

Hi Bradley, if valves are jamming the piston movement, the valve timing must have jumped or the belt, timing chain or timing gears have been incorrectly installed. The cam shaft(s) which control the opening movement of the valves, must be synchronised with the crank shaft. If the syncronisation is lost or incorrectly installed, the pistons will do what you have reported! It would help us to know what vehicle and what engine you are having the problem with and how the problem came about? Did it happen while driving or after engine work had been carried out? Regards John

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2002 ford escort- replaced fuel pump, filter, fuel injector pressor sensor, plenty fuel getting to rail and car will not run.

Hello, You have serviced the fuel side of any potential problem. Have you checked for spark? You have some Relays on the Powerbox and one should be an Ignition Relay.

If the Ignition Relay is working, then you have Crankshaft and Camshaft sensors, as well as a PCM Relay. A defect in any of these parts can kill the spark as well as a bad coil.

You need to determine if the coil is getting 12 Volts when the key is in the RUN position. If the coil is getting 12 Volts you know that the Ignition Relay is working. You then need to see if the coil is good and firing. If the coil tests good, the triggers to fire, the Crankshaft and Camshaft sensors should be checked.

In some instances, an external timing belt can break and is overlooked because the belt shroud concealing the belt hides the broken belt. If the belt broke on the bottom the belt may remain loosely in place but not be connected to the drive gears. If the engine has an internal timing chain, then try to observe Camshaft movement through the oil fill in the valve cover.

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The 22R engine has a timing chain. The tensioner is like a small plastic block that pushes the chain to the side between the crankshaft and the camshaft.
Best way to find the problem with the distributor, is to take the valve cover off and see if the timing chain is broken or the gear running off the camshaft is broken.

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1 Answer

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Changed camshaft gear as well? You will have a little movement each side but it shouldn't be too loose.

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