Question about 2002 Ford Explorer

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Just replaced head gaskets on 2002 ford explorer. I failed to mark timing on the cam shaft sprockets, After completing the reassembly of my engine upon starting it comes very very close to starting, even had it started for a few seconds. All I can figure is that I threw off the timing and I cant figure out how to fix it

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  • dylan henning Nov 14, 2010

    what is the trim? And the engine code is a k

  • dylan henning Nov 14, 2010

    Engine code is k and I don't know what u mean by trim. It's a 2002 ford explored xls 4.0

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  • Master
  • 547 Answers

I would have to have more information. There were a few trims of this Ford and several engine types. I would need your trim and VIN engine code. The engine code is the 8th character of the VIN.

Posted on Nov 13, 2010

  • Brad Kirby
    Brad Kirby Nov 14, 2010

    Click for information on doing your timing: click me

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1 Answer

Timing on a 5.43v ford engin


This is a 5.4 litre Ford engine. I don't know the model and Year, it may not make any difference.
There is a caution note in my database. Unless instructed to do so, with the chain removed and heads installed, don't move the camshafts or crankshaft, otherwise you may damage the piston or valves. There are special tools to hold cam shafts and crank shaft. The timing chain has copper link, you line up the copper link with the mark on camshaft sprockets. Same thing on the crank shaft sprocket.
I don't doubt your ability, but, I doubt my ability to safely walk you through this process, step by step, I can't see anything from here.

Apr 10, 2017 | Ford Cars & Trucks

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Camry timing belt


I am assuming you are referring to a 2.2 liter 5SFE engine. If so camshaft timing mark is dot located on forward face of sprocket mid spoke/or a notch on inboard rim of sprocket. locate mark and paint with white paint. Locate timing mark-small raised dot on plate behind sprocket at approx. one o-clock position paint this white for easy reference. Crank shaft sprocket has small notch on inboard rim. paint white for reference. align cam timing marks, then align crankshaft mark with #0 on timing scale. Adjust tensioner and belt is aligned. I recommend changing idler pulleys and water pump when replacing belt as preventative maintenance. Also inspect shaft oil seals and replace as needed. Performing these services now will save time and money in the future.

May 09, 2014 | 2001 Toyota Camry

1 Answer

Diagram timing of v6 engine of liberty 2001 model


2001 , no such ani-mule !
"Introduced for the 2002 model year as a replacement for the Cherokee (XJ),"
you meant manufactures date not model and reg. date. sure.
2002 !
3.7L V6 (cop spark ) chain drive cams....
timing ( cam or spark?)
"Ignition timing is controlled by the Powertrain Control Module (PCM). No adjustment is possible"
so Cam timing (alldata.com covers this in detail)
why not post the context, Im doing what.?
im doing a 60k belt swap
or it slipped. or think id did.
or just put in a new head or cam? see , context is 100% important.
im here, going to there.....
im on line, and it shows 4 engines, i think that is wrong, but...

you must be asking chain cam sprocket timing.
im at alldata.com (or FSM)
there are 37 install steps, im not sure what step you want me
to pluck out. but here is my guess. step 8 ,9,10
  1. Install both secondary chains onto the idler sprocket. Align two plated links on the secondary chains to be visible through the two lower openings on the idler sprocket (4 o'clock and 8 o'clock). Once the secondary timing chains are installed, position special tool 8429 to hold chains in place for installation.
  2. Align primary chain double plated links with the timing mark at 12 o'clock on the idler sprocket.
  3. Align the primary chain single plated link with the timing mark at 6 o'clock on the crankshaft sprocket.
step 12:
Install all chains, crankshaft sprocket, and idler sprocket as an assembly . After guiding both secondary chains through the block and cylinder head openings, affix chains with a elastic strap or equivalent. This will maintain tension on chains to aid in installation. Align the timing mark on the idler sprocket gear to the timing mark on the counterbalance shaft drive gear, then seat idler sprocket fully . Before installing idler sprocket bolt, lubricate washer with oil, and tighten idler sprocket assembly retaining bolt to 25 ft. lbs. (34 Nm).

step 13:
  1. Align left camshaft sprocket "L" dot to plated link on chain.
  2. Align right camshaft sprocket "R" dot to plated link on chain.

step 15/16
  1. Remove Special Tool 8429, then attach both sprockets to camshafts. Remove excess oil from bolts, then Install sprocket bolts, but do not tighten at this time.
  2. Verify that all plated links are aligned with the marks on all sprockets and the "V6" marks on camshaft sprockets are at the 12 o'clock position.

do ask questions, or login to alldata.com or mitchels
or get a real FSM.
its nothing trivial.

in fact get the book before the job. so are perpared.

Nov 30, 2013 | Jeep Liberty Cars & Trucks

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

2 Answers

What are the timing chain marks on a 98 ford explore


zjlimited_1748.jpg

Fig. 19: Timing chain alignment - 4.0L engine (click image for zoom)

Hope this helps.

Aug 18, 2011 | 1998 Ford Explorer

1 Answer

Setting of timing chains


Get Ford timing tool kit, part = otc-6488 (For about $119 USD on eBay)

4 timing chains (3 front including the optional balance shaft chain + 1 back)

2 cam guides (1 front + 1 back)

2 oil tensioners (1 front + 1 back)

1 jackshaft tensioner (1 front)

1 jackshaft guide/cassette (1 front)

1 balance shaft tensioner (1 front) (will probably be ok, so dont replace it)

1 balance shaft guide (1 front) (will probably be ok, so dont replace it)

new sprockets + bolts + gaskets etc.

new spark plugs + throttle body cleaner + lithium grease spray + oil change

head gaskets


some of these parts (the front stuff) can be obtained as a primary timing chain rattle noise kit Part# = 2u3e-6d256-** ab for 4*4 & bb for 2*4.

The kits also have later part numbers for us$ 76 @ http://www.fordpartsonline.com


My parts order (without the balance shaft stuff) was:

$76.04 KIT-TENSIONER TIMING 2u3e-6d256-ab

$47.93 Engine, Camshaft and timing, Timing chain, TIMING CHAIN, Explorer, Mountaineer, Rear - 4.0L SOHC - 4.0L SOHC

$57.36 Engine, Camshaft and timing, Chain guide, CHAIN GUIDE, Explorer, Mountaineer, Jackshaft To Cam - 4.0L SOHC - 4.0L SOHC

$103.22 Engine, Overhaul gasket set, OVERHAUL GASKET SET, Explorer, Mountaineer, Upper (Valve Grind) - 4.0L SOHC - 4.0L SOHC

$28.93 Engine, Camshaft and timing, Tensioner, TENSIONER, Explorer, Mountaineer, Upper - 4.0L SOHC - 4.0L SOHC

Its worth mentioning that this procedure is not enjoyable at all and should be undertaken with at least 8 full days to completion (I recon you could do it in half the time the second time).

It is basically on entire engine re-build with both heads off and the engine out of the vehicle.

It is not possible to do the rear chain or sprocket with the engine in the car as the flywheel needs to come off + at least 1 head, but it is possible to do the front primary chain and or front cam chain with the engine in the car.

You will be a ford exploder and timing expert after you do this - the main reason should be the love of your American built vehicle. Its a solid car - except for the plastic guides!

Disclaimer Note: This is how i successfully did the job, but i am not a ford mechanic and don't hold me responsible if this does not work for you.
Timing Overview

A Small Sprocket on the crank turns a larger (2 to 1 ratio) jackshaft sprocket that is in turn connected front & back to the 2 camshafts.

Thus a 360o turn of the crank will turn both the camshafts 180o.

Firing order is 1-4 2-5 3-6, Right side numbers 1,2,3. Left Side = 4,5,6.

At TDC pistons 1 & 5 are fully raised, thus 1 is about to spark & 5 is evacuated.

The engine will turn freely (no piston to valve contact) with the cams 180o out, it will even run (roughly) with 1 out 180o, any other settings may cause major damage to the valves.

The 2 cam shafts come with timing markings, "yes" real timing marks that anyone can use (even without special tools) to ensure correct timing.

The way to time it is to ensure both the off centre cam shaft slits are level/flat with the head.

With the engine at TDC both the cams need to have the off centre slot in the same position either up and level or down and level.

It is super critical that both the camshafts are 100% in sink with each other, i.e. not a few degrees off, the engine computer can compensate for crank timing but not engineering failure.

Be warned the camshafts can turn easily fast & hard by themselves as a few springs are compressed at TDC, I got my finger jammed and its still healing + if the engine is not at TDC you may damage a valve.

Now heres the hard thing that you will need special tools for - if you need to change the timing, you will need to be able to undo the cam sprocket bolt on both cams & these are done up real tight.

There is a tool that you attach that has 2 pencil thick shafts that fit into the sprocket and prevent it from turning - then you need to put about 90Nm of force on the bolt (remember the rear one if LHT)

For the $money$, its well worth getting yourself the tool kit - it will save you hours in the long run. Search eBay for otc-6488 should be US $119 - then sell them again for say $100.

There is also a tool version of the oil tensioner in the kit that screws right in and puts the correct amount of force on the chain + guide, to enable you to do up the cam bolt with the chain and sprocket in the right spot on the cam.


Dec 20, 2010 | 2003 Ford Explorer

1 Answer

Timing specs on 2002 grand am 2.2 liter dual over head cam wont to know how to time the top 2 cam


rotate the engine till the crankshaft sprocket mark lines up with the second silver link on the chain, should @ the 5:00 position. on the right sprocket or the intake sprocket align the intake diamond with the copper link should set at the 2:00 position, and the triangle on the exhaust sprocket should line up with the other silver link in the chain approxamately at the 10:00 position. Once you get it in time, it is a good idea to put a bar on the crank and turn the engine over one complete revolution, just to make sure you got it timed right. hope this helps

Nov 28, 2010 | 2002 Pontiac Grand Am

1 Answer

I need a diagram of timing chain replacement Thank You


During most engine rebuilds, a completely new timing assembly should be installed. If wear exists on any component, replacement of the entire assembly is necessary. Wear in the chain, gears, or sprockets means a timing lag, which results in poor engine performance.
The timing chain or belt is generally installed with the gears in their correct positions. Before installing a new chain, soak it in oil.
OHC (Overhead Cam) Engines
Some OHC engines use a chain drive; others use a belt drive. Removing the cover on some OHC engines that have timing chains is more difficult, because the cover often fits between the oil pan and the cylinder head. There are special procedures for replacing cam timing components in these engines.
Before a chain repair job, perform a leakage test on non-freewheeling engines to check for bent valves, so that an accurate repair estimate can be made.
OHV (Overhead Valve) Pushrod Engines
On many OHV pushrod engines, the crankshaft sprocket is installed on the crankshaft nose and the crankshaft is rotated to position piston #1 at TDC. At this point, a mark stamped onto the crankshaft sprocket is pointing directly upward (toward the camshaft).
The camshaft sprocket is then temporarily bolted to the cam and used to rotate the cam until a mark stamped on the cam sprocket is pointing directly downward (toward the crankshaft). The sprocket is then removed from the cam (without allowing the cam to rotate).
The timing chain is looped over the cam gear, the mark on the cam gear is positioned directly downward, and the chain is looped around the crankshaft sprocket. When the cam sprocket is attached to the cam, the timing marks on the crank and cam sprockets should be pointing toward one another. NOTE THIS IS FOR 2WD 4.0

May 22, 2010 | 2005 Nissan Pathfinder

2 Answers

How to find tdc without timing marks on damper pulley . timing belt needs replaced dimyself


You can get close, but not exact. you really should take it to a shop that has the tools to do this job. There are no marks for cam timing.

Apr 12, 2010 | Ford Contour Cars & Trucks

1 Answer

HOW TO REPLACE CAM SHAFT SENSOR


Chances are your cam sprocket is off one tooth, bring the engine to Top dead center #1 cylinder firing stroke lining up the flywheel timing pointer notch to the timing marked zero. remove the timing belt cover to check that the timing marks line up if not remove tensioner and reset the sprocket so it lines up then reinstall tensioner recheck.

Sep 11, 2009 | 2002 Volkswagen Passat

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