Question about 1990 Acura Integra Hatchback

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Mixed up my rocker arms when replacing my head geasket

When i set my camshaft in its place, it won't go to top dead center without "bottoming out" on the valves and rocker arms of piston number three. i think this is because i mixed up my rocker arms. there are numbers stamped on the rocker arms, but they don't correlate with piston numbers or anything. WHAT DO I DO??????????

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The arms for INTAKE should all match, and the arms for EXHAUST should all match. I dont think you can put them on wrong, if you are hitting a piston you need to verfiy the cam timing, I think that is where your problem is.

Posted on Sep 27, 2009

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I. Need. Help. With. Cam bolts. And head bolts


Part 1 of 3: Getting to the head bolts

Materials Needed
  • Eye protection
  • Gloves
  • Oil and coolant drain
  • Parts cleaner or brake cleaner
  • Shop rags
  • Socket set and ratchet1: Drain the oil and coolant. Put on your eye protection and gloves and drain the oilfrom the vehicle.
    Make sure the vehicle can not be started by removing the negative cable from the battery. Next the coolant will need to be drained so it does not leak when the head bolts are loosened.
    Step 2: Clean valve cover. Use some of the parts cleaner or brake cleaner to clean up the valve cover and as much of the cylinder head as is reasonable.Remove valve cover. If necessary, remove other components to make the valve covers accessible, and start removing the bolts from the valve cover.
    Once all bolts are removed carefully removed the valve cover from the cylinder head. If any valve cover gasket material remains, remove it at this time and clean any excess oil from the edges. Set the valve cover aside carefully as it will be reused with a new gasket once repairs are completed.

    Part 2 of 3: Pushrod engine head bolt removal

    Materials Needed
    • Head bolt socket (if needed)
    • Numbered cardboard
    • Rubber hammer
    • Socket set and ratchetStep 1: Rocker arm and rocker removal. A pushrod engine has long pushrods that protrude through the cylinder head and attach to the rocker rail.
      The rocket arm will need to be loosened first. Many manufactures have a specific sequence for removal of the rocker arm bolts. After the rocker arm is removed, the rockers will be unbolted.
      Set all rocker arms aside in the order they were removed as they should go back to the cylinder they were removed from.Step 2: Remove the pushrods. Remove the pushrods one at a time from the cylinder head.
      Put them into a numbered piece of cardboard as the pushrods will go back into the same slot they came from.Step 3: Loosen head bolts. Use the ratchet begin to break the cylinder head bolts loose.
      Each bolt will be loosened but not removed. Loosen all of the bolts before removing any of the the bolts all the way.
      Step 4: Remove the bolts. Place each bolt through a numbered hole in the cardboard in case the head bolts are different lengths so they can be installed back into the proper hole.
      The bolts may require a special socket depending on the manufacture.
      Step 5: Lift off the cylinder head. Once all bolts are removed, lift up on the cylinder headgently; the head should come free easilyIf the cylinder head sticks, lightly use a dead blow or rubber mallet to tap the cylinder head to be able to remove it. Set to the side in a safe area.
      • Warning: Cylinder head bolts have a specific sequence that is used when removing them. Consult the manufacturer's specifications for the proper removal sequence for the engine being worked on.

      Part 3 of 3: Overhead cam head bolt removal

      Material Needed
      • Socket set and ratchetStep 1: Remove the timing cover. The timing cover will need to be removed to gain access to the timing belt or chain.
        This is necessary because the cam shaft sits in the cylinder head and is attached to the crankshaft with either a timing belt or timing chain.
        Step 2: Time the engine to remove the belt. The engine will need to be timed to avoid damage when the timing belt is removed.
        Each engine is different and will have its own procedures to time. There should be marks on the camshaft and crankshaft that will be aligned to set the timing at top dead center (TDC)Step 3: Remove the timing belt. The timing belt tensioner will be removed or released to take the tension off the belt.
        Once the belt is loosened, it should be able to be slipped of the camshaft in the cylinder head.Step 4: Remove the head bolts. Every engine will have its own procedures for the order that the head bolts are removed or tightened.
        Loosen head bolts ¼ turn each in the order specified, which may require a special socket. Once all the bolts have been loosened they may be removed one at a time. The bolts must be organized or marked in case they are different lengths.
        Step 5: Remove the cylinder head. Once all the bolts are removed, the cylinder head may be removed from the engine. If it is stuck, tap lightly on the side of the head with a rubber hammer to loosen the cylinder head.
        • Warning: Most head bolts are torque-to-yield. These head bolts are single use only and once removed must be replaced. Torque-to-yield head bolts stretch when they are torqued to allow them to tighten properly and repeated application can cause the head bolt to break.
        Removing the head bolts can seem like a daunting process

Sep 29, 2016 | Cars & Trucks

1 Answer

How to set top dead center 2000 chevy astro


remove sparkplug one and insert a tdc whistle when the piston reaches top dead center the whistle will quit. the timing mark on balance will be on the scale at zero and the two rocker arms on the valves for cylinder one will be both loose

Oct 05, 2013 | 2000 Chevrolet Astro

1 Answer

Replacing distributer suburban 1500 m 1997


HOPE YOU DIDN\'T TAKE OUT THE OLD ONE YET !!!!!!!!!! YOU MIGHT WANT READ UP ON THIS BEFORE YOU DO. BUT THERE ARE PROCEDURES, DISTRIBUTOR MUST BE MARKED, @ BASE/ENGINE BLOCK, USE PAINT, ROTOR MUST BE FACING #1 SPARK PLUG, #1 PISTON NEEDS TO BE SET @ TOP-DEAD-CENTER, ON THE COMPRESSION STROKE, NOT EXHAUST STROKE, IF YOU REMOVE THE VALVE COVER DRIVERSIDE IF V8, YOU CAN SEE #1 ROCKER ARMS. WHEN ROTATING THE ENGINE, MANUALLY W/WRENCH, BFW, BIG-FU-KIN-WRENCH, BOTH ROCKER ARMS WILL BE EVEN & LOOSE, IF YOU REMOVE #1 SPARK PLUG, THE TOP OF THE PISTON WILL BE @ TOP OF ITS STROKE, ALSO, TIMING MARKS WILL BE INLINE @ CRANKSHAFT DAMPER. @ 0, TOP DEAD CENTER. WHEN THIS OCCURS, YOUR @ TOP DEAD CENTER . DO YOU UNDERSTAND ???????? BY REMOVING ALL SPARK PLUGS IT WILL BE EASYIER TO TURN THE CRANK. ONCE YOU ACHIEVE & SATISFY ALL THE ABOVE PROCEDURES YOU CAN SET IN YOUR DISTRIBUTOR, ROTOR FACING #1 SPARK PLUG TERMINAL, THAT YOU ALSO MARKED, INSERT THE NEW DISTRIBUTOR EXACTLY LIKE YOU TOOK IT OUT, REPEAT, EXACTLY..........................GOOD LUCK!!!

Mar 25, 2013 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

I Need The Pushrod Format For My 98 Chevy Venture.


The shorter pushrods go on the rocker arms that are closer to the intake side of the head, the longer ones go on the rocker arms closer to the exhaust side of the head. The camshaft is dead center in the engine, the further away from the cam the rocker arm is, the longer the pushrod needs to be.

Aug 24, 2011 | Chevrolet Venture Cars & Trucks

1 Answer

P 2647"A" Rocker Arm Actuator


Your going to need a air pressure regulator or better yet if the ECM found fault price it and replace it
  1. Start the engine, and let it run for 5 minutes, then turn the ignition switch to LOCK (0).
  2. Remove the cylinder head cover.
  3. Set the No. 1 piston at top dead center (TDC).
  4. Move the intake secondary rocker arm A for the No. 1 cylinder. The secondary rocker arm A should move independently of the secondary rocker arm B.
    1. If the intake secondary rocker arm A moves freely, go to step 5.
    2. If the intake secondary rocker arm A does not move, remove the secondary rocker arms as an assembly, then check that the pistons in the secondary rocker arms move smoothly. If any rocker arm needs replacing, replace the secondary rocker arms as an assembly, then retest.
    3. Repeat step 4 on the remaining intake secondary rocker arms with each piston at TDC. When all the secondary rocker arms pass the test, go to step 6.
    4. Check that the air pressure on the shop air compressor gauge indicates over 400 kPa (4.0 kgf/cm2, 57 psi).
    5. Inspect the valve clearance.
    6. Install a 10 x 1.0 mm adapter to the inspection hole, then connect the air pressure regulator
  5. With the specified air pressure applied, move the intake secondary rocker arm A for the No. 1 cylinder. The secondary rocker arm A and secondary rocker arm B should move together. If the intake secondary rocker arm A does not move, remove the secondary rocker arms as an assembly, and check that the pistons in the secondary rocker arms move smoothly. If any rocker arm needs replacing, replace the secondary rocker arms as an assembly, then retest.
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Aug 23, 2011 | Honda Accord Cars & Trucks

1 Answer

What goes between the rocker arm and cylinder head on an early 350 chevy.Am re assembling an engine that someone else pulled down and they dont know.Is there some sort of saddle?


Nothing on the bottom. Put in the push rod, then the rocker arm on the bolt. There is a thick conical washer that goes on next, then the nut. DO NOT tighten the rocker nut until you have that cylinder on top dead center or you may bend the push rod. Adjust valve lash and re-adjust after engine is running.

Go to a local library and check out a Clinton Manual or similar for GM small blocks. Good Luck

Feb 09, 2011 | Chevrolet Chevy Cars & Trucks

2 Answers

How to chage valve seals


1- disconnect battery
2- remove valve cover
3- remove timing cover
4- set engine on top dead center #1cylinder
5- remove timing belt ( mark direction if re-using belt)
6- remove camshaft & rocker arms
7- remove spark plugs
8- install compression tester hose in cylinder that you want to replace seals and apply 90 to 120psi of air
9- install valve spring compression too and compress valve spring
10- remove valve spring locks and valve spring
11- remove old valve seal and replace with new
12- reverce order to reasable

Nov 16, 2010 | 2003 Hyundai Accent

1 Answer

1991 626dx when it starts I hear a noise like a chain rattling not a grinding noise but it has been doing it for a while hard to describe actually but it does it once you put it into gear it is a five...


thats your valve stems, need to take off your valve cover and remove the cam shafts and rocker arms, they are located in top of the intake/exhaust valves, relativly cheep to replace your self, and when you do so replace them all and carfully put everything back where it was before, mark all of your rocker arms and make sure your engine is in TDC (top dead center) when you do so, it makes everything easier putting things back together. also make sure to buy a new valve cover gasket and some ATV sealent for the corners of the camshaft hump on the head of the block.

Sep 26, 2010 | 1991 Mazda 626

1 Answer

Replaced head gasket how do you adjust valves rocker arms etc. 1991 3.0 ford probe


the valves are set to zero lash cylinder at top dead center. and then 3/4 more turn tight

Oct 02, 2009 | 1991 Ford Probe

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