Question about 1997 Nissan Sentra

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What is Timing Gear Positions on 1.6 liter

What is the alignment of the timing gears on the camshaft on a 1997 Sentra XE 1.6 liter at TDC. Some photos or diagrams would be helpful.

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@ the index marks on the cam tower.

Posted on Aug 22, 2008

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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

Camshaft timing marks


they are on the camshaft gear, there is a keyway so it can only go on one way, for dual overheads align with adjacent cam for single align with crank at TDC

Mar 19, 2012 | 1997 Mazda Protege

1 Answer

How do i set the timing belt on a 1997 cadillac catera?the betl did not break but how do i make sure the belt did not move a couple of teeth.


Hi, there should be marks on the belt itslf that align with hatch marks on the timing gears. Below are the instructions for installation. From these, you should be able to verify that the belt is in time. There are also some diagrams here: http://www.2carpros.com/diagrams/cadillac/catera/1997


To install:
  1. Install the timing belt.
    1. Start at the crankshaft pulley.
    2. Install the timing belt with a double dash (TDC) mark on the belt aligned with the marks on the oil pump and belt drive gear.
    3. Pinch the belt with special tool J 42069-30 to prevent the splines from jumping.

  2. Route the timing belt through the idler pulley for camshafts 3 & 4 then route the timing belt through the camshaft gears 3 & 4.
    1. Ensure the dash marks on the timing belt align with marks on the camshaft gears and the notches on the rear timing belt cover.
    2. If necessary, loosen timing belt idler pulley or move the cam gears slightly, with J 42069-1 and 2 still in place, until the timing belt can be installed.
    3. Tighten the idler pulley locking bolt until snug. The idler pulley bolt will be tightened to specifications after the final adjustments are made.




NOTE Timing belt deflection between the camshaft gears number 4 and the idler pulley for camshafts 3 & 4, must be no more than 0.4 inch (1 CM.).

  1. If necessary, adjust the timing belt deflection by turning the timing bolt idler pulley eccentric, for camshafts 3 & 4, counter-clockwise with the special tool J 42069-40, or equivalent.

  1. Route the timing belt through the timing belt idler pulley for camshafts 1 & 2 then route the timing belt through camshaft gears 1 & 2.
    1. Ensure the dash marks on the timing belt align with the marks on the camshaft gears and the notches on the rear timing belt cover.
    2. If necessary, loosen the timing belt idler pulley or move the cam gear slightly, with J 42069-1 and 2 still in place, until the timing belt can be installed.
    3. Apply sufficient tension to the timing belt to prevent it from slipping off the gears by turning the timing belt idler pulley eccentric for camshafts 1 & 2 counter-clockwise with special tool J 42069-40 or equivalent.
    4. Tighten the idler pulley locking bolt until snug. Idler pulley bolt will be tightened to specifications after final adjustments are made.

  2. Route the timing belt through the timing belt tensioner.
  3. Apply initial tension to the timing belt by turning tensioner eccentric counter-clockwise, with a 5 mm hex wrench, until marks are set.
    1. Tighten the belt tensioner-locking nut to 15 ft. lbs. (20 Nm).

  4. Adjust the timing belt.
    1. The timing belt must be properly adjusted or engine damage may occur. Do not continue with the engine assembly procedure until the timing belt is properly adjusted.

  5. Install the timing belt cover. Tighten the timing belt cover bolts to 71 inch lbs. (8 Nm).
  6. Install the power steering pump pulley and bolts. Install the water pump pulley and bolts.
    1. Tighten the power steering pump pulley bolts and the water pump pulley bolts after the serpentine drive belt is installed.

Mar 04, 2011 | 1997 Cadillac Catera

1 Answer

I am replacing the timing chain on my 1993 saturn that has a 1.9 motor.. i need to know what the settings are.. can you please help?


Assuming you have the single overhead camshaft, there is a pin you're supposed to use to align the camshaft gear--see below diagram from autozone.com:

869f282.jpg
Obviously you could substitute a phillips screwdriver of the appropriate size for the alignment pin shown. Leave it in until you complete the chain installation.

The crankshaft pully mark goes straight up:

8dca8ab.jpg Make sure the chain is tight on the right side when the gears are in these positions and that it doesn't slip any teeth on eight gear when you apply the tensioner. I will paste the autozone instructions below.

To install:
  1. Inspect the chain for wear and damage. Check the inside diameter of the chain, it should be no more than 16.77 in. (426mm). Inspect the chain guides for wear or cracks and the timing sprockets for teeth or key wear. Replace components as necessary.
  2. Verify that the crankshaft is positioned 90 degrees clockwise past TDC from the keyway (keyway at 3 o'clock).
  3. Bring the camshaft up to No. 1 TDC by loosely installing the sprocket and rotating the sprocket until the timing pin can be inserted. The camshaft contains wrench flats to assist in turning the shaft. The dowel pin should be at 12 o'clock when the camshaft is at TDC and a timing pin ( 3 / 16 in. drill bit) should then install at about the 8 o'clock position.
  4. If removed, install the crankshaft sprocket, then rotate the crankshaft counterclockwise 90 degrees up to No. 1 TDC (keyway at 12 o'clock).
  5. Position the chain under the crankshaft sprocket and over the camshaft sprocket. If necessary remove the camshaft sprocket, then slide the camshaft sprocket into position with the chain already engaged. The timing chain should be positioned so that one silver link plate aligns with the reference mark on the camshaft sprocket and the other aligns with the downward tooth (at the 6 o'clock position) on the crankshaft sprocket. The letters FRT on the camshaft sprocket must face forward, away from the cylinder head and excess chain slack should be located on the tensioner side of the block.
  6. Temporarily install the timing pin to verify proper alignment of the camshaft and sprocket, then install and tighten the sprocket bolt to 75 ft. lbs. (102 Nm). Again, use a wrench on the camshaft flats to hold the shaft in position while tightening the bolt. Do not allow the camshaft retaining bolt to torque against the timing pin or cylinder head damage will result.
  7. Install the chain guides with the words FRONT facing out. Install the fixed guide first and verify the chain is snug against the guide, then install the pivot guide. Tighten the bolts to 19 ft. lbs. (26 Nm) and verify that the pivot guide moves freely.
  8. Retract the tensioner plunger and pin the ratchet lever using a 1 / 8 in. No. 31 drill bit inserted in the alignment hole at the bottom front of the component. Install the tensioner and tighten the bolts to 14 ft. lbs. (19 Nm), then remove the drill bit.
  9. Make one final check to verify all components are properly timed, then remove all timing pins.
  10. Install the timing chain front cover.
  11. Connect the negative battery cable, start the engine and check for leaks.

Sep 01, 2010 | Saturn L-Series Cars & Trucks

1 Answer

Have a 94 cavalier 2.2 liter,timing chain


Install the cam sprocket, timing chain, and timing chain cover. Make sure the dot on the crankshaft gear is pointing towards the center of the Camshaft gear bolt. Make sure the hole in the Camshaft gear is pointing towards the center of the crankshaft. Be sure to remove the nail holding the chain tensoner back, before installing the timing cover The round hole in the cam gear is the alignment mark

Mar 13, 2010 | 1996 Chevrolet Cavalier

1 Answer

How to set timming belt,cant find mark for crankshaft 3.0L


Timing belt removed, static timing was not set before removing timing belt.

[Set Static Timing:
No.1 piston is brought up to TDC before removing timing belt.

Cam gear has a punchmark on face of gear, and this mark aligns with one single tooth. There is a matching punchmark on the Timing Belt Rear Upper Cover.

Facing the cam gear, the mark is to the upper right. There is an 'egg shape' of the timing belt upper rear cover, in this spot. This punchmark is in that 'egg shape', and is close to a bolt hole. The cam gear mark lines up with the Timing Belt Rear Upper Cover, mark.

The crankshaft gear has a punchmark on the face. It lines up with one single tooth. There is a corresponding punchmark on the lower right side. An alignment mark)

Should be a round punchmark on the face of the crankshaft gear. It lines up with a single tooth. Wipe the gear clean, use a little carb cleaner. (NO flames, or sparks nearby, well ventilated area)

Barring you cannot find the crankshaft mark, find the camshaft alignment marks, make sure they are aligned with the alignment, (Punchmark), on the Timing Upper Rear Cover.

Count the teeth in the timing belt. There should be 133 teeth on the belt.

There is 43 teeth in-between the timing mark of the camshaft, and the timing mark on the crankshaft.

(43 teeth in-between the Right Side Camshaft mark to crankshaft mark, 43 teeth in-between the Left Side Camshaft mark to crankshaft mark)

There should be 40 teeth in-between the two cam gears.




Oct 24, 2009 | 1989 Nissan Pathfinder

1 Answer

Need timing marks for 2002 ford explorer 4.0 engine. trying 2 check timing chain. any one know specs


There are no marks on this one. There is a special tool set to align camshafts ($900). The best you can do is to bring #1 cyl to TDC compression with both cam(valve) covers off. #5 cyl should have lobes at equal opening, exhaust just closing and intake just opening.. #1 cyl cam lobes should each be diametrically opposed to the positions of #5. If cams need to be moved, there is no registration of gear onto cam. Just loosen bolt holding gear and move cam. Retighten bolt. Roll thru 2 crank revolutions and check cam timing again.Simple.

Jul 24, 2009 | 2005 Ford Explorer

2 Answers

Looking for cambelt timing marks/ positions please, Twin cam engine Thanks Kevin


these bend valves if belt breaks while running
Align the timing marks on the camshaft gears to the notches on the camshaft cover, using the intake gear mark for the intake gear and the exhaust gear mark for the exhaust gear.
Align the mark on the crankshaft gear with the
notch at the bottom of the rear timing belt cover.

May 12, 2009 | 1999 Daewoo Nubira

1 Answer

Timing for tropper 6cly and 4 camshafts and 24 valves model 2000


Timing Belt
Removal
1. Disconnect battery ground cable.
2. Remove air cleaner assembly.
3. Remove radiator upper fan shroud from radiator.
4. Move drive belt tensioner to loose side using wrench
then remove drive belt.
850RW001
Legend
(1) Crankshaft Pulley
(2) Cooling Fan Pulley
(3) Tensioner
(4) Generator
(5) Air Conditioner Compressor
(6) Power Steering Oil Pump
(7) Drive Belt
5. Remove cooling fan assembly four nuts, then the
cooling fan assembly.
6. Remove cooling fan drive pulley assembly.
7. Remove idle pulley assembly.
8. Remove serpentine belt tensioner assembly.
9. Remove power steering pump assembly.
10.Remove crankshaft pulley assembly using
5–8840–0133–0 crankshaft holder, hold crankshaft
pulley remove center bolt, then the pulley.
11. Remove right side timing belt cover then left side
timing belt cover.
12. Remove lower timing belt cover
13. Remove pusher.
CAUTION: The pusher prevents air from entering
the oil chamber. Its rod must always be facing
upward.
014RW011
Legend
(1) Up Side
(2) Down Side
(3) Direction For Installation
(4) Locking Pin
14. Remove timing belt.
CAUTION:
1. Do not bend or twist the belt, otherwise its core
could be damaged. The belt should not be bent at
a radius less than 30 mm.
2. Do not allow oil or other chemical substances to
come in contact with the belt. They will shorten
the life.
3. Do not attempt to pry or stretch the belt with a
screw driver or any other tool during installation.
4. Store timing belt in a cool and dark place. Never
expose the belt direct sunlight or heat.
6A–30 ENGINE MECHANICAL
Installation
NOTE: For correct belt installation, the letter on the belt
must be able to be read as viewed from the front of the
vehicle.
014RY00042
Legend
(1) Crankshaft Timing Pulley
(2) RH Bank Camshaft Drive Gear Pulley
(3) Water Pump Pulley
(4) Idle Pulley
(5) LH Bank Camshaft Drive Gear Pulley
(6) Tension Pulley
014RY00043
Legend
(7) Alignment Mark on Oil Pump.
(8) Alignment Mark on Timing Belt
(9) Alignment Mark (notch) on Crankshaft Timing
Pulley.
(10) Alignment Mark (groove) on Crankshaft Timing
Pulley.
014RW006
Legend
(1) Timing Belt
(2) Engine Rotation Direction
(3) Cylinder Head Side
1. Install timing belt.
1. Align the mark (notch) of crankshaft timing pulley
(2) with mark on oil pump (1).
Align the mark (groove) on the crankshaft timing
pulley (3) with alignment mark (white dots line) on
the timing belt (4).
NOTE: When timing marks are aligned, No.2 piston will
be on Top Dead Center.
014RW003
Legend
(1) Alignment Mark on Oil Pump
(2) Groove on Crankshaft Timing Pulley
(3) Alignment Mark on Crankshaft Timing Pulley
(4) Alignment Mark on Timing Belt
ENGINE MECHANICAL 6A–31
2. Align the alignment mark on the RH bank
camshaft drive gear pulley (2) to the alignment
mark of the cylinder head cover RH (3).
3. Align the alignment mark (white line) on the timing
belt (1) with alignment mark on the RH bank
camshaft drive gear pulley (2) (on the left side as
viewed from the front of the vehicle) and put the
timing belt on the camshaft drive gear pulley.
Secure the belt with a double clip or equivalent
clip.
014RW00004
Legend
(1) Alignment Mark on Timing Belt (White line).
(2) Alignment Mark on Camshaft Drive Gear
Pulley.
(3) Alignemnt Mark on Cylinder Head Cover RH.
4. Align the alignment mark on the LH bank
camshaft drive gear pulley (2) to the alignment
mark of the cylinder head cover LH (3).
5. Align the alignment mark (white line) on the timing
belt (1) with the alignment mark on the LH bank
camshaft drive gear pulley (2).
When aligning the timing marks, use a wrench to
turn the camshaft drive gear pulley, then set the
timing mark between timing belt and camshaft
drive gear pulley and put the timing belt on the
camshaft drive gear pulley.
Secure the belt with a double clip or equivalent
clip.
NOTE: It is recommended for easy installation that the
belt be secured with a double clip or equivalent clip after
it is installed the timing belt to each pulley.
014RW00005
Legend
(1) Alignment Mark on Timing Belt (White line).
(2) Alignment Mark on Camshaft Drive Gear
Pulley.
(3) Alignemnt Mark on Cylinder Head Cover LH.
6. Install crankshaft pulley temporarily and tighten
center bolt by hand (do not use a wrench).
Turn the crankshaft pulley clockwise to give some
belt slack between the crankshaft timing pulley
and the RH bank camshaft drive gear pulley.
2. Install pusher and tighten bolt to the specified torque.
Torque : 25 N·m (2.5 Kg·m/18 lb ft)
1. Install the pusher while pushing the tension pulley
to the belt.
2. Pull out pin from the pusher.
NOTE: When reusing the pusher, press the pusher with
approximately 100Kg to retract the rod, and insert a pin
(1.4 mm piano wire).
014RW011

Mar 18, 2009 | 2000 Isuzu Trooper

1 Answer

Need to find out tdc for the camshaft gear


Align timing pointer on transmission bellhousing with white T.D.C. mark on flexplate or flywheel, make sure up marks on each camshaft pulley at top and align marks on each pulley aligned with the edges of the cyl. head.

Nov 30, 2008 | 1984 Honda Prelude

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