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Cam belt timing diaghram and camshaft timing - 1998 Alfa Romeo 156

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How will I time my cam belt ?


Every engine has a method for aligning the cam-to-crank for installing timing belts/chains.
On a dual-Camshaft Renault there will be a mark on each of the camshaft pulleys - the camshaft marks should be aligned with each other while the mark on the crank should point to a corresponding mark (arrow) on the engine block when the belt is installed.
I did a quick search for "renault timing belt marks" which produced a multitude of images and examples. One of those should be a close match for your engine. Good Luck !.

Nov 16, 2014 | 2003 Renault 181

1 Answer

My drive belt frayed away and came off..i would like to replace with a new one..my timing belt is ok..the drive belt runs the alternater,power steering and runs off the camshaft..does the drive belt need...


that is an accessory belt. no year car stated or make. wow.
it dont run off any cam shaft sorry, you sound very confused.

the cam belt must be replaced at 60,000 miles.
and is timed,
the accessory belts are not timed.
all are precision tensioned. to achieve max life span.

what car, what year, what size engine.
??????????????????????????????

Oct 20, 2013 | Cars & Trucks

1 Answer

I replaced the camshaft position sensor P0340, now the OBD is reading a PO0016


Causes that bring up code P0016 may include:
  • Timing chain stretched, or timing belt skipped a tooth due to wear
  • Misalignment of timing belt/chain
  • Tone ring on crankshaft slipped/broken
  • Tone ring on camshaft slipped/broken
  • Bad crank sensor
  • Bad cam sensor
  • Damaged wiring to crank/cam sensor
  • Timing belt/chain tensioner damaged
  1. First, visually inspect the cam and crank sensors and their harnesses for damage. If you notice broken/frayed wires, repair and recheck.
  2. If you have access to a scope, check the cam and crank patterns. If a pattern is missing, suspect a bad sensor or a slipping tone ring. Remove the cam gear and the crankshaft harmonic balancer and inspect the tone rings for proper alignment and make sure they're not loose or damaged or that they haven't sheared the key that aligns them. If they are properly installed, replace the sensor.
  3. If the signal appears normal, then check the timing chain/belt for proper alignment. If it's misaligned, check for a damaged tensioner that may have allowed the chain/belt to slip a tooth or several teeth. Also check that the belt/chain isn't stretched. Repair and recheck.
Hope this helps

Feb 06, 2012 | 2005 Chrysler PT Cruiser

1 Answer

I own a 2004 accent with 122,000 km on it. Long story short, had to get a new head gasket put on, so rocker cover, cams, everything had to come off. Work was done and everything was put back together. I...


P0340 - Cam Timing

SYMPTOMS/CONDITIONS
of a mistimed camshaft system (all must apply):
  1. Camshafts have previously been removed from the engine.
  2. Engine runs rough.
  3. Vehicle sets P0340 (camshaft sensor code).
  4. Camshaft sensor has been checked with a known, properly operating camshaft sensor.

CORRECT:
The diagram in the manuals should show the timing marks on both cam gears to be on the blue timing chain links.

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Mar 23, 2011 | Hyundai Motor 2004 Accent

1 Answer

How do you set the timming on a 2.3 when your putting the new timming belt on


The IGNITION timing on your Ranger is computer-controlled and is not adjustable.


Should the camshaft drive belt/timing belt jump timing by a tooth or two, the engine could still run; but very poorly. To visually check for correct timing of the crankshaft, auxiliary shaft, and the camshaft follow this procedure:
There is an access plug provided in the cam drive belt cover so that the camshaft timing cam be checked without moving the drive belt cover.
  1. Remove the access plug.
  2. Turn the crankshaft until the timing marks on the crankshaft indicate TDC.
  3. Make sure that the timing mark on the camshaft drive sprocket is aligned with the pointer on the inner belt cover.

Never turn the crankshaft of any of the overhead cam engines in the opposite direction of normal rotation. Backward rotation of the crankshaft may cause the timing belt to slip and alter the timing.
REMOVAL & INSTALLATION

See Figures 1, 2 and 3


0996b43f80211842.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Timing belt cover on the 2.3L and 2.5L engine


0996b43f80211843.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Timing belt assembly on the 2.3L and 2.5L engine


0996b43f80211844.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: Releasing the timing belt tensioner using a special tool

  1. Rotate the engine so that No. 1 cylinder is at TDC on the compression stroke. Check that the timing marks are aligned on the camshaft and crankshaft pulleys. An access plug is provided in the cam belt cover so that the camshaft timing can be checked without removal of the cover or any other parts. Set the crankshaft to TDC by aligning the timing mark on the crank pulley with the TDC mark on the belt cover. Look through the access hole in the belt cover to make sure that the timing mark on the cam drive sprocket is lined up with the pointer on the inner belt cover.

Always turn the engine in the normal direction of rotation. Backward rotation may cause the timing belt to jump time, due to the arrangement of the belt tensioner.
  1. Drain cooling system. Remove the upper radiator hose as necessary. Remove the fan blade and water pump pulley bolts.


Dec 11, 2010 | 1995 Ford Ranger Supercab

1 Answer

98 dodge stratus,engine light came on and it died and won't start now.What could be wrong?


when you crank the engine over now, does it sound different than before? if yes, you probably have a broken timing belt. it is also common for the cam gear to slip out of position from the cam and cause an incorrect, but hard to diagnose, timing issue. other no start with check engine light on issues could be a faulty cam or crank sensor.

pull the codes from the vehicles computer. if there is a cam or crank sensor code, or if there is a code that says in some different wording "cam sensor signal does not match crank sensor singal", first check crankshaft to camshaft timing. if belt is ok and timing marks line up then i strongly suggest removing the bolt from the camshaft that holds the cam gear on. with the bolt and cam gear removed you should be able to tell if the cam gear has rotated on the camshaft. there should be a small pin sticking out of the camshaft. if it is broken off then you need to replace the camshaft. if the pin is still there and the timing is good then replace iether the cam or crank sensor depending on what code you have stored in the ecu memory. if the code is not for the cam/crank sensor then google search the code number e.g. "p0502" and your make and model.

Mar 23, 2010 | 1998 Dodge Stratus

1 Answer

What are the markers to line up the timing belt on 1997 dodge avenger


there should be one mark on camshaft backplate and on sprocket and also on crankshaft for oil pump or buy a haynes book, get diaghram on internet

Mar 08, 2010 | 1997 Dodge Avenger

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

4 Answers

Car won't start can you help?


The pistons may be shot. If not this then the head geasket may have gone.

May 19, 2009 | 1992 Eagle Talon

1 Answer

Camshaft


Most likely yes. It's not that the cam is out of position (that's controlled by the timing belt, so as long as the belt hasn't slipped, the cam is where it should be). What's more likely is that the cam sensor has gone bad, as you're suggesting, and it's not able to tell the computer the position of the cam, or it's telling the computer that the cam is in a position that the computer knows it can't be.

Replace the cam sensor and you'll be fine.

Aug 30, 2008 | 1999 Hyundai Sonata

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