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What is the difference of a timing chain with a tensioner and without one

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WITH A TENSIONER.the timing is constant.WITHOUT.it varies,according to stretch of the chain.(in theory.)

Posted on Sep 28, 2010

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1 Answer

Can I adjust timing chain on a 1999 ford f150 5.4L without removing engine?


There is no real timing chain adjustment. If the timing chain is loose, it is because it has stretched beyond the ability of the tensioner to compensate. You'll need to replace the timing chain. (Yes, it can be done without removing the engine, but it's a tight space!)

May 15, 2015 | 1999 Ford F150 Regular Cab

1 Answer

Timming chain broke


place no 1 piston at TDC compression stroke. There are procedures for the timing of the balance shafts but if it is only the timing chain I will go to that
Align uniquely coloured chain link with intake camshaft sprocket timing mark-- INT--. ( this will be pointing at the 2 o'clock position)
install timing chain and sprocket as an assembly
align first matching coloured chain link crankshaft timing mark (5 o'clock position)
align the second matching coloured chain link with exhaust cam shaft timing mark--EXH ( at the 11 o'clock position
There is a special procedure to reset the balance tensioner and it is different to the timing chain procedure.

To reset cam shaft timing chain tensioner push piston fully and turn clockwise until locked
Once the tensioner has been compressed ensure the distance from end to end is 2.83 inches . If not repeat the resetting process
vehicles 30.000 miles the tensioner is released when the engine is first started . In vehicles over 30.000 miles manually release tensioner by tapping the plunger
Note cam shaft and crank shaft sprockets bolts MUST only be used once. If you want details on the balancer chain procedure then make a comment in the box
use tension wrench and a degree gauge
cam bolts are tensioned to 63 ft lbs + 30 degrees
crank shaft pulley is tensioned to 74 ft lbs + 75 degrees

Feb 02, 2014 | 2003 Saturn ION

1 Answer

Replacing a daihatsu terios timing belt


the procedure of aligning all the timing marks before removing the belt will be the same . The necessity of not moving crank and cams without the belt being connected is still relevant. How ever there are some differences as to tensioning the belt and timing balance shafts . The biggest killer of rubber belts is oil so the oil seals (Cams shaft/ crank shaft should be also replaced and hydraulic tensioner if you have one). Idler pulleys do as much work as the belt so replacing them to replace the bearings is also a good move. . To come up to speed as to the differences a workshop manual for your vehicle is strongly recommended.

Jan 26, 2014 | Cars & Trucks

1 Answer

How do i reset the timing on 2001 2.7l concorde if the chain was replaced and the timing is off


Did you take pictures while removing the originals? It's always a good habit. Below are the instructions you need to follow. Your own pics are very helpful when doing a big job like this.
  1. Disconnect negative battery (1) cable.
  2. Drain cooling system.
  3. Remove upper intake manifold.
  4. Remove cylinder head covers, crankshaft vibration damper, and timing chain cover.
CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.
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  1. Align crankshaft sprocket timing mark to mark on oil pump housing (2). The mark on oil pump housing is 600 ATDC of #1 cylinder.
CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT rotate the camshafts or crankshaft without first locating the proper crankshaft position. Failure to do so will result in valve and/or piston damage.
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  1. Remove primary timing chain tensioner retainer cap (2) and tensioner (1) from right cylinder head.
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  1. Disconnect and remove camshaft position sensor (4) from left cylinder head.
  2. Remove timing chain guide access plugs (3) from cylinder heads.
NOTE: When camshaft sprocket bolts are removed, the camshafts will rotate in a clockwise direction.
  1. Starting with the right camshaft sprocket, remove the sprocket attaching bolts. Remove camshaft damper (1) (if equipped) and sprocket.
  2. Remove left side camshaft sprocket attaching bolts and remove sprocket.
  3. Remove lower chain guide (7) and tensioner arm (8).
  4. Remove the primary timing chain (5).
  5. Remove crankshaft sprocket (6).
INSTALLATION
117016940

  1. Inspect all sprockets (4,9,11) and chain guides (2,5,10). Replace if worn.
  2. For crankshaft sprocket installation procedures Refer to CRANKSHAFT SPROCKET.
  3. If removed, install right and left side short chain guides (11). Tighten attaching bolts to 28 Nm (250 inch lbs.) .
  4. Align crankshaft sprocket timing mark to the mark on oil pump housing (3).
NOTE: Lubricate timing chain and guides with engine oil before installation.
  1. Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links (1).
117016941

  1. Lower the primary chain with left side sprocket through the left cylinder head opening.
NOTE: The camshaft sprockets can be allowed to float on the camshaft hub during installation.
  1. Loosely position left side camshaft sprocket over camshaft hub.
  2. Align timing (plated) link to the crankshaft sprocket timing mark (3).
  3. Position primary chain onto water pump drive sprocket (10).
  4. Align right camshaft sprocket timing mark to the timing (plated) link on the timing chain (8) and loosely position over camshaft hub.
  5. Verify that all chain timing (plated) links are properly aligned to the timing marks on all sprockets.
  6. Install left side lower chain guide (2) and tensioner arm (5). Tighten attaching bolts to 28 Nm (250 inch lbs.) .
NOTE: Inspect O-ring on chain guide access plugs before installing. Replace O-ring as necessary.
  1. Install chain guide access plugs to cylinder heads. Tighten plugs to 20 Nm (15 ft. lbs.) .
NOTE: To reset the primary timing chain tensioner, engine oil will first need to be purged from the tensioner.
117016942

  1. Purge oil from timing chain tensioner using the following procedure:
    1. Place the check ball (2) end of tensioner into the shallow end of Special Tool 8186 (3).
    2. Using hand pressure, slowly depress tensioner until oil is purged from tensioner.
117016943

  1. Reset timing chain tensioner using the following procedure:
    1. Position cylinder plunger (4) into the deeper end of Special Tool 8186 (3).
    2. Apply a downward force until tensioner is reset.
NOTE: If oil was not first purged from the tensioner, use slight finger pressure to assist the center arm pin of Special Tool 8186 to unseat the tensioner's check ball.

CAUTION: Ensure the tensioner is properly reset. The tensioner body (4) must bottom against the top edge of Special Tool 8186 (3). Failure to properly perform the resetting procedure may cause tensioner jamming.

NOTE: Inspect the tensioner O-ring (2) for nicks or cuts and make sure the snap ring (1) is correctly installed, replace as necessary.
117016944

  1. Install the reset chain tensioner (1) into the right cylinder head.
  2. Position tensioner retaining plate (2) and tighten bolts (1) to 12 Nm (105 inch lbs.) .
117016945

  1. Starting at the right cylinder bank, first position the camshaft damper (1) (if equipped) on camshaft hub, then insert a 3/8 square drive extension with a breaker bar into intake camshaft drive hub. Rotate camshaft until the camshaft hub aligns to the camshaft sprocket and damper attaching holes. Install the sprocket attaching bolts and tighten to 28 Nm (250 inch lbs.) .
  2. Turn the left side camshaft by inserting a 3/8 square drive extension with a breaker bar into intake camshaft drive hub and rotate camshaft until the sprocket attaching bolts can be installed. Tighten sprocket bolts to 28 Nm (250 inch lbs.).
  3. Rotate engine slightly clockwise to remove timing chain slack, if necessary.
117016946

  1. Activate the timing chain tensioner by using a flat bladed pry tool to gently pry tensioner arm towards the tensioner slightly. Then release the tensioner arm. Verify the tensioner is activated (extends).
117016947

  1. Install camshaft position sensor (2) and connect electrical connector.
  2. Install the timing chain cover, crankshaft vibration damper, and cylinder head covers.
  3. Install upper intake manifold.
NOTE: After installation of a reset tensioner, engine noise will occur after initial start-up. This noise will normally disappear within 5-10 seconds.
  1. Fill cooling system.

Mar 27, 2013 | 2001 Chrysler Concorde

1 Answer

Xv535 cam chain jumped one tooth on cog,tensioner is fine ,so how did it happen,and how can i fix it


If all cogs and bearings are fine and that the chain tension is at specification then it should not be possible for the chain to ever jump a tooth. The amount of movement required by the chain to jump a tooth is considerable. I have only ever seen this as a result of an oversight when re-installing the chain after doing upper cylinder head work such as gasket replacement. Some models of vehicles with V6 engines that integrate the timing belt with driving the coolant pump can sometimes jump a tooth if the pump bearing fails. I would again check the chain tension once the timing chain is re-installed, even without tools you should be looking for a chain that is obviously taught. Not piano wire taught as this will lead to early failure but certainly one without any slackness or rattle. I have little experience of bike engines but the principles are the same

Nov 05, 2011 | Cars & Trucks

1 Answer

I have a1999 bmw il 740 how do you replace the timing chain


Removal of timing chain is described separately from installation. Assembly sequence for removal and installation is different.
Installation of timing chain is described separately from removal. Assembly sequence for removal and installation is different.
Check guide, reversing and tensioning rails, replace if necessary.

Mar 26, 2011 | BMW 750 Cars & Trucks

1 Answer

What is the right way to time a 4cyl Chevy S-10 timing chain


1998-2003 To Remove:
  1. Remove or disconnect the following:
    • Crankshaft pulley and hub
    • Drive belt tensioner gm_truck_s10_tcbolts.gif

    • Timing chain cover bolts gm_truck_s10_tc.gif

    • Timing chain cover and gasket
  2. Install a bolt in the end of the crankshaft CAUTION
    Do not install the crankshaft balancer bolt or a bolt longer than 1 inch or damage to the crankshaft threaded hole will result.
  3. Rotate crankshaft until the number 1 piston is at Top Dead Center of compression stroke.
  4. Make sure that the alignment marks are aligned with the tabs on the timing chain tensioner. gm-03-22-611.gif

  5. Measure distance between hole in bracket and unworn surface of timing chain tensioner shoe. NOTE: If distance between the hole and unworn surface of timing chain tensioner is greater than 0.314 in (8 mm), replace tensioner, timing chain and sprockets.
  6. Remove timing chain tensioner bolts.
  7. Remove the timing chain, timing chain tensioner and camshaft sprocket at the same time.
  8. Remove the crankshaft sprocket using special tool J 22888-20A or equivalent.
  9. Remove crankshaft sprocket alignment key.
gm-03-22-612.gif

NOTE: If any camshaft components are being replaced to correct a noise problem, all camshaft drive components must be replaced.
To Install:
  1. Install the crankshaft sprocket alignment key.
  2. Install the crankshaft sprocket using special tool J 5590 or equivalent. gm-03-22-613.gif

  3. Compress the timing chain tensioner spring and insert a pin into the tensioner hole to retain the tensioner shoe.
  4. Install timing chain and timing chain tensioner (do not tighten tension bolts).
  5. Align the crankshaft and camshaft timing marks with the tab on the timing chain tensioner.
  6. Tighten the timing chain tensioner bolts.
    • Torque to: 18 ft lbs (24 Nm)
  7. Tighten the camshaft sprocket bolt.
    • Torque to: 96 ft lbs (130 Nm)
  8. Remove pin from timing chain tensioner hole.
  9. Remove bolt from end of crankshaft. CAUTION
    Inspect the timing chain cover for warping or damage. Replace if needed.
  10. Clean all timing chain cover mating surfaces.
  11. Install or connect the following:
    • Timing chain cover to the engine block
      1. Ensure that the gasket is installed properly in the groove in the timing chain cover
    • Timing chain cover and make sure it fully seated on the alignment dowel pins
    • Timing chain cover bolts
      1. Torque to: 97 inch lbs (11 Nm)
    • Drive belt tensioner
    • Crankshaft damper hub and the crankshaft pulley

Aug 17, 2010 | 2000 Chevrolet S-10

1 Answer

Actually the car was running fine before I change tensioner. I change the tensioner and guide because the tensioner and timing guild make niose when first 10 minute started. But after change tensioner...


Ohhhhhh, sometimes folks get in a hurry changing belts and disconnect the crank sensor. Its sow by the crankshaft pully. It's a plug that came apart.

May 25, 2009 | Nissan Altima Cars & Trucks

2 Answers

Timing belt or timing chain?


You 98 Corolla has a timing chain that it internal and need no normal maintenance. It uses a hydraulic/spring tensioner to keep things tight and as long as its quiet, everything is fine.
Your drive belt (not to be confused with a t. belt) is the external belt you see on the passenger side of the engine. It drives you alt, water pump, A/C and power steering. It uses a spring loaded tensioner to keep the belt tight. These can weaken over time and cause a rattle noise and belt slippage.

May 19, 2009 | 1998 Toyota Corolla

2 Answers

Timing chain noise on nissan altima 2005 change oil for syntetic 5 w 30 and it got worse before did it only when cold now is doing it at all the times


The timing chaing noise is very common on almost all v6 nissan engines. There is a significant difference for the maxima's though.

Timing chain noise is very common and it is the result of the secondary timing chain tensioners. They often stick and put too much tension on the chain and the plastic guides for the tensioner wear down to metal and that is the noise you hear.

At Nissan, I have performed this replacement many times and I suggest you take it to the dealership to have it fixed.

May 02, 2009 | 2005 Nissan Altima

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