Question about 1998 Toyota Camry

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98 camry I replaced the head and put cams back in place as they were but have 50 lbs compresion so im thinking the reman got the cams out of time. It ran before just had a cracked head so the bottom end is good.

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  • pezold8 Sep 09, 2008

    Thank You was looking for the cam timing. Found it at advance auto web. Gave a picture and instructions. Thanks again





    Mike

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  • Toyota Master
  • 1,861 Answers

Your camshafts are 180 degrees out of time. Retime the cams.

Posted on Sep 09, 2008

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Posted on Jan 02, 2017

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Replaced head gasket torqed everything to right spec started up and ran fine for 3 to 5 minutes made noise and died now cranks over fine no start


as the engine started and ran, indicates that the timing and chain sections were assembled right
the noise and stop never to start again may be attributed to cam or crank position senor problems
they both have a set clearance from the rotors to work properly so if one was not tension properly and touched a rotor it would make a noise and stop functioning
next is the lubrication of the cam shaft bearings
If the head gaskets were not installed the correct way up the oil passage may be blocked making the bearings run dry and seize up or spin in the bearing caps . Im a bit cautious on this as 3-5 minutes means for it to happen bearing caps would have to be misaligned , placing extra pressure on the shaft but it can happen quickly especially if the oil passage was blocked by the head gasket
in the event that that happened ti could have caused the timing chain to fail or jump timing
unfortunately I can only surmise and go on your insistence that it was done right but the sad fact is , something was done wrong , or it would still be going

Jan 08, 2017 | Cars & Trucks

Tip

Timing belt replacement Zetec engine with VCT. Part 2


7. Now we install the new belt. This can be a bit difficult because the new belt is not stretched at all and will prove difficult. You may be tempted to try prying it on with a pry bar (or screwdriver), please resist the urge to do that. After you cuss a lot and the belt slides on make sure it sits just inside the gears the entire length of the belt. Now you can apply tension. Slide the tab into the back plate. Tighten the tensioner 10 mm bolt up just a enough to keep the allen key from falling down under its' own weight. Behind the tensioner is a back plate with a notch cut into it. You can see there is a line it is supposed to point to. Make sure it is pointing to it when you start to put tension on the belt by rotating the allen slot counter-clockwise. Now you need to hold that allen slot with the allen wrench in a 3 o'clock position while you tighten the tension bolt. It is a very small space to work in and it will make you mad, but it has to be done. Get the bolt good and snug, 18 ft-lbs. Don't over tighten it, it might break off. After you get this done you need to check the belt deflection. Just push down in the center of the belt (between the cam gears) and see if it travels downward more then a 1/4 inch. If not, then the tension is set fine. If it won't let you move it at all, then the tension is too much and may cause the belt to break.

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7a. Now that the belt is installed, you have to tighten up the cams gears. Starting with the exhaust cam gear, use a wrech to hold the cam still (leave the lock tool in, but hold the cam in place so you don't break the slots out) and tighten the bolt up to 30 ft-lbs. Now, hold the intake cam still and tighten the bolt up to 50 ft-lbs. Remove the lock tool and tighten the exhaust cam bolt up to 80 ft-lbs. Install the oil plug into the VCT hub and tighten it up to about 15-20 ft-lbs. All of this sets the cam gears to neutral and prevents the belt from bunching up in the center during VCT operation.


8. Now you can put it back together. If you haven't already done so, remove the cam locking tool. Rotate the crank with the crank bolt one full turn to make sure the belt isn't going to bind on anything. If all is well then you put everything together the way it was removed with the following notes:

A. Re-connect your coil plug if you removed it, some people forget then get scared when the car doesn't start.

B. When you install the valve cover, you need to wipe the head mating surface down to make sure it is clean. Here is the torque pattern and sequence.
c47a9c8.jpg
C. When you install the crank pulley, use some medium strength Loc-tite on the bolt to ensure it won't come off. Just get it as tight as you can. The engine will move but that is fine. The Loc-tite will keep it from coming back out.

Torque Values & Part Numbers:
Torque Specs
Idler pulleys: 35 ft-lbs

Tension pulley: 18 ft-lbs

Part Numbers for pulleys:

Timing Belt Tensioner
F8CZ-6K254-AA

Pulley (later model, 99.5+)
YS7Z-6M250-BA

Pulley (Upper Timing Belt Pulley Pre 99.5)
F8CZ-6M250-AA

Pulley (Lower Timing Belt Pulley Pre 99.5)
XS4Z-6M250-BA

Timing Belt
F8CZ-6268-AA

Crank Gear (single piece)
F5RZ-6306-AB

on Mar 05, 2010 | Ford ZX2 Cars & Trucks

1 Answer

Pontiac transmission problem


It sounds like it's your shift sensor or the trans overall

Mar 30, 2014 | 2002 Pontiac Grand Am

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

2006 DODGE STRATUS F.U.B.A.R. HEAD JOB


IF the valves are sticking open then the bad news is that they are probably bent and jamming in the guides.. I would guess that in reassembling the head they were not aware of the cam shaft timing and turned the crank when the cam was not positioned correctly hence the bent valves. With the compression readings you have it points directly to bent valves . They probably fitted the cam shaft then put the head on which will result in the same bent valves. Sorry for the news but my advice is to get the valves replaced then get hold of a work shop manual and do the job according to the book. At least you will wind up knowing more that the guys that didn't Best of luck.

Apr 27, 2013 | 2004 Dodge Ram 1500

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What is the torque suppossed to be on the motor mounts and the starter mounting bolts on a 2001 chevy malibu V6


Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft.-lbs. 3/8 in. connecting rod bolt 50 ft.-lbs. 7/16 in. connecting rod bolt 67-73 ft.-lbs. Cylinder head bolts, long 75 ft.-lbs. Cylinder head bolts, short 65-68 ft.-lbs. Screw-in rocker arm studs 50 ft.-lbs. Intake manifold bolts (cast iron head) 25 ft.-lbs. Oil pump bolt 65 ft.-lbs. Cam sprocket bolts 20 ft.-lbs. motor mounts 85 ft.-lbs. Flywheel/flex plate bolts 60 ft.-lbs. Pressure plate bolts 35 ft.-lbs. Bell housing bolts 25 ft.-lbs. Exhaust manifold bolts 20 ft.-lbs.

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Torque specifications for head bolts 1995 Jetta 2.0


First pass, torque them to 30 Ft Lbs working from the center outward. Then go back again and torque them to 75 Ft Lbs.

Feb 21, 2009 | 1995 Volkswagen Jetta

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Problem 95 probe


crank shaft sensor? I've had these be bad in a couple of vehicles, and I spent weeks/months worrying about the possible cause. Just a possible thought.

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Overheated a 2000 isuzu rodeo 2.2 litre


  1. Sorry.... I did not see the 2.2 in title. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows: Step 1: 18 ft. lbs. (25 Nm)Step 2: Plus 90 degreesStep 3: Plus 90 degreesStep 4: Plus 90 degrees
    1. Step 1: 18 ft. lbs. (25 Nm)
    2. Step 2: Plus 90 degrees
    3. Step 3: Plus 90 degrees
    4. Step 4: Plus 90 degrees

Aug 24, 2008 | 2000 Isuzu Rodeo

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