Ensure pins on the gears align with ends of gear spring. Starting at the center bolts, retorque all ten bolts an additional 90 degrees. Ensure arrow on top of camshaft bearing cap is pointing toward timing belt end of engine. Feb 07, 2009 The cylinder head bolt torque is a 2 step process. Doc this is a really great thread with very useful info. Possibility that the factory torque specs for these cylinder heads is not ideal. If I may just put my.
I know these are for a Tacoma, but the majority Of them will apply to our 4Runners, with the exception of the leaf spring and u-bolts. Make sure you read it right!! If the mods feel it should be moved into the other thread, then by all means, please do so. The recall can be taken in anytime for a new one. It should be put within the already stickied 3rd Gen technical documentation page. In sequence, torque all bolts. Parts aren't cheap want to avoid this problem when I get the new cam tomorrow When installing the cam, the holder has to be evenly and slowly tightened. If reassembling exhaust camshaft, install gear spring, sub-gear, wave washer and snap ring.
The correct plugs to short and the timing is on a label located on the inside of your hood. Tighten the fasteners a second time to 20 ft. Aug 03, 2010 Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme 3. Install exhaust camshaft in cylinder head. On this model Toyota , there is a input sensor that reads the speed and also the input on the selector shaft for the…. First tighten the bolts to 10 ft. .
Ensure gear teeth of main gear and sub-gear are aligned. Coat camshaft bearing cap bolt-to-camshaft bearing cap surface and bolt threads with engine oil. Torque: 30 Nm 22 ft-lbs. Following the appropriate torque specifications closely is important to avoid serious engine damage upon major engine reassembly. Mar 19, 2013 would be a good idea to go to some toyota forums and read about this engine 3vzfe. Make sure the cam goes down evenly.
Next, mark the front side of each head bolt with a dot of paint. Retighten the cylinder head bolts 90 degrees, starting at the inner 2, and working outward. In sequence, torque all bolts. Ok I followed all the procedures but the exhaust cam on the passenger side snapped in half twice while I was putting it in any idea why? Engine head torque has to be done in specific order and stages if not can warp head or break bolts. New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.
Torque procedure is several steps: a all bolts 15ft pds, b all bolts 29ft pds, c all 37ft pds. Check and adjust valve clearance. I own a 1991 Toyota pickup dxl 4wd. Torque: 50 Nm 37 ft-lbs In sequence, turn each bolt an additional 90 degrees. First tighten the fasteners to 10 ft. Crank is at tdc I pushed all the valve springs down with a big bar and they all went down except one and after I took off the little valve spring cover I tried it again and it went down any idea why it might be doing this? Tighten the 12-point bolts before the recessed bolts.
Torque: 50 Nm 37 ft-lbs In sequence, turn each bolt an additional 90 degrees. Don't trust answers on here, if you choose wrong specs. My intent here was to provide a quick reference, rather than having to dig through a thread just to find the torque specs of a particular bolt. The 1999 Toyota 4Runner was equipped with either the 2. Note that cylinder head on the 3. Rotate intake camshaft so timing marks 2 dots on right cylinder head or 1 dot on left cylinder head are aligned with timing mark on exhaust camshaft. The engine is a V-6 3.
Since all vehicle manufacturers have a different idea of what's the right way to build a car, they all have different ways to build a computer as well. Install oil seal on exhaust camshaft. I dont thin anything has changed on this engine since then. First af all, I hope you are using new head bolts. Tighten the cylinder head fasteners on the 2.
After they are all at 29 ft-lbs, you turn them each 90° with a regular wrench in the order shown, then another 90° with a regular wrench in the order shown. Hope this helps, the graciousness of a FixYa rating would be greatly appreciated. The torque value of 29 ft-lbs is based on this. Install and tighten exhaust camshaft bearing cap bolts to specification in reverse order of removal sequence using several steps. First: Torque all of the bolts to 45 Nm 450 Kgf-cm or 33 ft lbs.
Each engine has its own torque specifications. New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. Install intake camshaft in cylinder head. Install and tighten intake camshaft bearing cap retaining bolts to specification in reverse order of removal sequence using several steps. Due to the cam lobe positions, some would be pushing against the valves whilst some would not and the cam would tend to be unbalanced.