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Timing mark chain - Cars & Trucks

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Posted on Nov 05, 2012


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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

May 04, 2015 | 2006 Toyota Avalon XLS

1 Answer

Timing chain marks


Timing marks are on sprockets and thiming chain links. aligng the sprocket marks and chain links

Apr 17, 2014 | 2007 Toyota Sienna

1 Answer

Timing marks are not lining up when turning over the eng


Timing belt or chain?
If you have chain align the dark mark of the chain to gear marks and release the tentioner . after you turn one time the mark wont match to the chain for long time.
if you have belt. the marks are on the dots on the head and block and will match every second turn on crankshaft
after you install belt/chain turn with hand ,don't start till you're sure the piston don't touch the valve .
with chain you can mark a dot on the block and head with marker to see if will come back to the same spot on same time crank and cam but is not accurate .
good luck

Apr 02, 2014 | 1995 Nissan Pathfinder

1 Answer

I need a picture of the timing marks for Jeep 4.0


Timing the Cam to the Crank

There are several ways to time the cam to the crank. Be sure to check the manual before you install the timing chain or belt.

  • Some timing sprockets are properly timed when the marks face each other.
  • On others, there must be a certain number of chain links between the marks.
  • Sometimes chains have colored links that must be aligned with the marks on the sprockets.
  • Some overhead cams have a mark on the cam gear that lines up with a mark on the cylinder head when the timing mark on the damper is at the TDC mark.
Align the timing marks for the camshaft and crankshaft sprockets before removing the timing belt or chain.

If the old parts are available, carefully compare the new gears or sprockets with the old ones. Check the keyway and timing marks just in case there might have been an error made in manufacturing. Sprockets are sometimes stamped backward. Its much better to find the problem during assembly, rather than waiting until problems show up after reassembly and reinstallation.

Maintaining Valve Timing

During a valve job, it is essential to keep the timing chain or belt in place to maintain correct valve timing. Position the number one cylinder at TDC. Some overhead cam engines use a single long chain for a cam drive. The chain can be wedged against its guides with a tapered block of wood.
the chain tensioner on some ohc engines must be wedged to keep the chain in position during cylinder head removal. courtesy of nissan motors.

Some engines have a lower and upper chain. These engines do not require special attention to wedging the chain. Be sure to look for hidden head bolts and check the repair manual before removing the OHC head.

Dec 07, 2012 | 1989 Jeep Cherokee

1 Answer

Needing a timingbelt diagram 1997 Altima Nissan GXE L4-2.4L


  • It's a timing chain not a belt.

  • This diagram shows how to position the lower timing chain so that the mating marks line up.


11_25_2011_1_46_21_am.jpg

  • Lower timing chain tensioner and timing chain guide positioning.

11_25_2011_1_48_38_am.jpg
Double check the mating mark alignment of the upper timing chain and idler sprocket.

11_25_2011_1_50_07_am.jpg
  • Make sure that the upper timing chain and camshaft sprocket mating marks align.


11_25_2011_1_51_12_am.jpg

  • There are the diagrams you requested.
  • Hope this helps...



Nov 25, 2011 | Cars & Trucks

1 Answer

1997 Nissan-Datsun Altima GXE L4-2.4L timingbelt diagram


  • It's a timing chain not a belt.

  • This diagram shows how to position the lower timing chain so that the mating marks line up.


11_25_2011_1_46_21_am.jpg

  • Lower timing chain tensioner and timing chain guide positioning.

11_25_2011_1_48_38_am.jpg
Double check the mating mark alignment of the upper timing chain and idler sprocket.

11_25_2011_1_50_07_am.jpg
  • Make sure that the upper timing chain and camshaft sprocket mating marks align.


11_25_2011_1_51_12_am.jpg

  • There are the diagrams you requested.
  • Hope this help.

Nov 25, 2011 | Cars & Trucks

1 Answer

2005 f250 5.4 gas need to know specs for timing a diagram would be awesome


To Install:
  1. Install balance shaft drive gear onto the left camshaft.
  2. Install the camshaft sprockets and new bolts finger tight.
  3. Using a vise, compress the timing chain tensioner plunger.
  4. Install a retaining clip on the tensioner to hold plunger IN during installation.
    marking timing chain a0038720.gif

  5. If timing chain copper links are not visible, mark 2 links on one end and 1 link on the other end to be used as timing marks.
  6. Install right and left timing chain guides. Tighten bolts to 89 in-lbs (10 Nm).
  7. Rotate the left camshaft until the timing mark is at the 12 o'clock position.
  8. Rotate the right camshaft until the timing mark is at the 11 o'clock position.
  9. Position the crankshaft using the special tool. Then remove the tool.
    Crankshaft special tool positioning n0013602.gif

  10. Install the crankshaft sprocket with flange facing forward.
    Crankshaft sprocket timing mark n0011528.gif

  11. Position lower end of left (inner) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley. NOTE: Upper half of timing chain must be below the tensioner arm dowel.
  12. Position the left timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
    Left camshaft sprocket timing mark a0080774.gif

  13. Place the left timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm). NOTE: Lower half of timing chain must be above the tensioner arm dowel.
    Crankshaft sprocket timing mark a0079624.gif
  14. Position lower end of right (outer) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley.
    Right camshaft sprocket timing mark a0041104.gif

  15. Position the right timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
  16. Place the right timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm).
  17. Remove the retaining clips from the right and left timing chain tensioners.
  18. Verify alignment of all timing marks.
  19. Install crankshaft sensor ring on crankshaft.
  20. Locate index mark on balance shaft and mark corresponding gear tooth with chalk.
  21. Position balance shaft on journals. NOTE: It may be helpful to use an inspection mirror to view the marks timing marks.
  22. Align the chalk mark on the balance shaft with the camshaft timing mark.
    Balance shaft bearing caps n0007112.gif

  23. Install the balance shaft bearing caps in their original locations. Follow the tightening sequence as shown in the illustration. Tighten bolts to 89 in-lbs (10 Nm).
  24. Tighten the camshaft phaser sprocket bolts in the correct sequence using 2 steps, as follows:
    • Step 1-30 ft-lbs (40 Nm)
    • Step 2-tighten an additional 90 degrees
  25. Position the crankshaft keyway in the 11 o'clock position.
  26. Lubricate and install all camshaft roller followers. WARNING
    Engine front cover replacement procedure must be completed within 4 minutes or entire procedure must be repeated. Failure to do so may result in future leaks

Oct 07, 2010 | Ford F-250 Cars & Trucks

1 Answer

1999 Ford Expedition 5.4L Timing chain setup


.
  1. Remove the engine front cover. For additional information, refer to Engine Front Cover in this section.
  1. Remove the crankshaft sensor ring from the crankshaft.
    a0044041.gif
  1. Rotate the crankshaft until the timing mark on the RH camshaft sprocket is approximately at the 11 o'clock position and the timing mark on the LH camshaft sprocket is approximately at the 12 o'clock position.
    a0049532.gif
  1. Using the special tool, position the crankshaft as shown.
    a0041102.gif
  1. Install the special tool.
    aa5423a.gif
  1. NOTE: LH shown; RH similar.
    Remove the two bolts, the timing chain tensioner and tensioner arm.
    aa5952a.gif
  1. Remove the LH and RH timing chains and the crankshaft sprockets.
    • Remove the special tool from the crankshaft.
    • Remove the timing chains from the camshaft sprockets.
    • Remove the right and left timing chains and the crankshaft sprocket from the crankshaft.
    a0029151.gif
  1. ani_caut.gif CAUTION: The bolts are different lengths and must be returned to their original location.
    NOTE: LH shown; RH similar.
    Remove the bolts and the timing chain guides.
    a0044040.gif
Installation
  1. ani_caut.gif CAUTION: Timing chain procedures must be followed exactly or damage to valves and pistons will result.
    ani_caut.gif CAUTION: Do not compress the ratchet assembly. This will damage the ratchet assembly.
    Compress the tensioner plunger, using an edge of a vise.
    da0605a.gif
  1. Using a small screwdriver or pick, push back and hold the ratchet mechanism.
    da0606a.gif
  1. While holding the ratchet mechanism, push the ratchet arm back into the tensioner housing.
    da0607a.gif
  1. Install a paper clip into the hole in the tensioner housing to hold the ratchet assembly and plunger in during installation.
    a26917a.gif
  1. Remove the tensioner from the vise.
  1. NOTE: There are 61 links in the timing chain.
    If the copper links are not visible, mark two links on one end and one link on the other end, and use as timing marks.
    a0038720.gif
  1. Install the timing chain guides.
    a0044063.gif
  1. Using the special tool, verify correct crankshaft position.
    • Remove the special tool.
    a0041102.gif
  1. NOTE: Crankshaft sprockets are identical. They can only be installed one way. Refer to the following illustration for correct crankshaft sprocket installation.
    If removed, install LH and RH crankshaft sprockets.
    a14824b.gif
  1. Install the LH timing chain onto the crankshaft sprocket, aligning the one copper (marked) link on the timing chain with the slot on the crankshaft sprocket.
    a0041197.gif
  1. Position the LH timing chain on the camshaft sprocket with the two copper (marked) chain links and the camshaft sprocket timing mark aligned.
    a0049191.gif
  1. Position the RH (outer) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
    a0041196.gif
  1. Position the RH timing chain on the camshaft sprocket. Make sure the two copper (marked) links align with the camshaft sprocket timing mark.
    a0041104.gif
  1. NOTE: LH shown; RH similar.
    Position the tensioner arms and tensioners, and install the bolts.
    aa5952a.gif
  1. Remove the tensioner retaining clip.
    a26273a.gif
  1. As a post-check, verify correct alignment of all timing marks.
    a0041106.gif
  1. Remove the special tool.
    aa5423a.gif
  1. Position the crankshaft sensor ring on the crankshaft.
    a0044041.gif
  1. Install the engine front cover. For additional information, refer to Engine Front Cover in this section.


2010&c18=modelyear&c20=n310677&c35=wsm%2ctiming%20drive%20components%2csxj%2c303-01b%2cin-vehicle%20repair&s=1600x900&c=32&j=1.3&v=y&k=y&bw=1171&bh=582&ct=lan&hp=n&[aqe]

Apr 03, 2010 | 1999 Ford Expedition

2 Answers

Timing chain setting


Your camshaft and your crankshaft have marks on them. Your timing chain also has marks on it. The timing marks MUST ALL line up at the same time before you move your internal parts. The easiest way to do this is to take out your spark plugs and after tou get the chain, chain tensioner and chain damper on, turn the engine with a wrench watch the marks. The number 1 cylinder should be at tdc.

Dec 15, 2008 | 2003 Toyota Camry

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