Question about 2002 Jaguar S-Type

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Procedure for inspection of lifters or R&R on cylinder head....

I replaced the valve cover gasket and the car only has 60,000 miles on it. It ran fine. I crossed the PVC HOSE with a COOLANT HOSE at the THROTTLE BODY. I ran the vehicle approx 30 secs and the coolant was pulled from the RADIATOR to the INTAKE and then into the CYLINDERS, due to my mistake. I corrected the problem, however now there is a VERY LOUD top end noise, which to me sounds like a BROKEN LIFTER or VALVE.

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  • Jaguar Master
  • 1,889 Answers

I see now;
do a compression check on the cylinders
this will answer the question if a lifter or, valve is damaged the cylinder pressure will be low

Posted on May 29, 2009

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1 Answer

P0303 intake backfire


problem with no3 cylinder hydraulic lifter
pumping up and holding the valve off the seat

Sep 29, 2017 | Ford Cougar Cars & Trucks

3 Answers

I have a loud ticking under my valve cover. 97 ford escort. I think its a loose valve but is it some thing i can fix. I know a little about cars. but not an expert


not a valve, but a lifter. I will paste procedure below. You judge if you can do it or not. Recommend you replace them all while you're in there. If you let this go, the lifter will wear out the camshaft. Lifters are $22 each, and you have 8 of them. You will also need a new valve cover gasket.
Please let me know if you have questions, and thanks for using FixYa.

2.0L Engine
SOHC engine
See Figures 6, 7, 8 and 9
  1. Disconnect the engine air cleaner-to-valve cover hose from the cover by compressing the hose clamp with pliers and sliding the clamp back, then separate the hose from the cover.
  2. Remove the spark plug wire separators from the valve cover and set the wire assemblies aside.
  3. Unfasten the three valve cover retaining bolts.
  4. Remove the valve cover and gasket from the cylinder head.
WARNING Do not use any abrasive grinding discs to remove gasket material. Use a plastic manual gasket scraper to remove the gasket residue. Be careful not to scratch or gouge the aluminum sealing surfaces when cleaning them.
  1. Remove the old gasket material from the cylinder head and valve cover mating surfaces.

jturcotte_163.jpg

Fig. Fig. 6: Remove the spark plug wire separators from the valve cover

jturcotte_164.jpg

Fig. Fig. 7: Compress the engine air cleaner-to-valve cover hose clamp with pliers, and slide the clamp back ...


jturcotte_165.jpg

Fig. Fig. 8: ... then disconnect the hose from the valve cover


jturcotte_166.jpg

Fig. Fig. 9: Unfasten the valve cover retainers and remove the valve cover-2.0L SOHC engine


If removing more than one valve lifter (tappet), mark the lifters and their locations as they must be installed in their original bores.

  1. Remove the rocker arm(s).
  2. Unfasten the lifter guide plate retainer.
  3. Remove the guide plate and the lifter.


To install:
  1. The oil feed hole in the lifter must face away from the oil feed hole in the cylinder head.
  2. Lubricate the lifter(s) with clean 5W-30 engine oil and install them in their original bores.

Make sure the lifter guide plate retainer tabs are towards the rear of the cylinder head, and the lifter guide plate tabs are towards the front of the cylinder head.
  1. Install the lifter guide plate and tighten the retainer.
  2. Install the rocker arms.
Do not use any sealer with a silicone type gasket.
  1. Install a new gasket and the valve cover.
  2. Install and tighten the valve cover retainers to 71-97 inch lbs. (8-11.5 Nm).
  3. Attach the spark plug wire separators to the cylinder head.
  4. Connect the engine air cleaner-to-valve cover hose and engage the hose clamp

Jan 19, 2011 | Ford Escort Cars & Trucks

1 Answer

There is a tapping noise in the motor but its not knocking I think its a lifter it hasent lost any power and its really not getting worse I would like to know what the spec is for tighing down the lifter...


Depends on which engine you have. If you have


ADJUSTMENT Although it is sometimes possible to reuse an old cylinder head cover gasket, in most cases it makes more sense to purchase a new one before beginning the procedure. Some vehicles may require the use of silicone sealant either with or without a new cover gasket. For more details, please refer to the cylinder head cover procedures in Engine & Engine Overhaul of this repair guide and refer to the gasket manufacturer's instructions.

Z24i Engine
See Figures 1, 2 and 3
For the intake valves: 1-4-5-8 valve clearance is 0.012 in. (0.30mm). For the exhaust valves: 2-3-6-7 valve clearance is 0.012 in. (0.30mm). The pivot locknut torque specification is 12-16 ft. lbs. (16-22 Nm).

  1. The valves must be adjusted with the engine warm, so start the truck and run the engine until the needle on the temperature gauge reaches the middle setting. After the engine is warm, shut it off.
  2. Note the location of any wires and hoses which may interfere with cylinder head cover removal, disconnect them and move them to one side. Remove the bolts holding the cylinder head cover in place and remove the cover. Remember, the engine will be hot, so be careful!

fb38656.gif


Fig. Fig. 1: Check the valve clearance with a flat feeler gauge-Z24i engine





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Fig. Fig. 2: Loosen the locknut and turn the adjusting screw to adjust the valve clearance-Z24i engine


1c1d35c.gif


Fig. Fig. 3: With the No. 1 piston at TDC, adjust the top set of valves FIRST; with the No. 4 piston at TDC, adjust the bottom set of valves SECOND-Z24i engine

  1. Rotate the crankshaft until the timing marks indicate that the No. 1 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 1 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  2. Refer to the accompanying illustration (upper part), then check valves (1), (2), (4) and (6) using a flat bladed feeler gauge. The feeler gauge should pass between the valve stem end and the rocker arm screw with a very slight drag. Insert the feeler gauge straight, not at an angle.
  3. If the clearance is not within the specified value, loosen the rocker arm lock nut and turn the rocker arm screw to obtain the proper clearance. After correct clearance is obtained, tighten the locknut.
  4. Rotate the crankshaft until the timing marks indicate that the No. 4 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 4 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  5. See the illustration (lower part), then check valves (3), (5), (7) and (8). Check and adjust valve clearance as necessary.
  6. Install the cylinder head cover gasket, the cover itself and any wires or hoses which were removed. Check the engine oil level.

KA24E, VG30i and VG30E Engines
See Figures 4 and 5
These models utilize hydraulic valve lifters. Periodic adjustment is neither necessary or possible. There is however a bleed down procedure that is necessary when the valve train has been disassembled.
HYDRAULIC LIFTER BLEED DOWN
  1. Remove the cylinder head cover.
  2. Check the lifters for proper operation by pushing hard on each lifter with fingertip pressure.
  3. If the valve lifter moves more than 0.04 in. (1mm), air may be inside it. Make sure the rocker arm is not on the cam lobe when making this check.
  4. Install the cylinder head cover.
  5. If there was air in the lifters, bleed the air by running the engine at 1000 rpm for 10 minutes.


4df22a2.gif


Fig. Fig. 4: Cross-sectional view of an installed hydraulic valve lifter-4 cylinder engine


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Fig. Fig. 5: Cross-sectional view of an installed hydraulic valve lifter-6 cylinder engine

Oct 29, 2010 | 1989 Nissan Hardbody King

2 Answers

Is there a diagram for the cylinder heads of a 1991 5.7 liter engine, especially the valve components? Thank you, Dan


Hydraulic Lifters REMOVAL & INSTALLATION 4.8L Engines
  1. Remove the rocker cover.
  2. Remove the engine side cover.
  3. Back off the rocker arm adjusting nuts and remove the pushrods. Keep them in order for installation.
  4. Reaching through the side cover opening, lift out the hydraulic lifters. If your are going to re-use the lifters, remove them one at a time and mark each one for installation. They must be re-installed in the same locations. If a lifter is stuck, it can be removed with a grasping-type lifter tool, available form most auto parts stores.
  5. Inspect each lifter thoroughly. If any of them shows any signs of wear, heat bluing or damage, replace the whole set. To install:
  6. Install and coat each lifter with engine oil supplement.
  7. Install the remaining components by reversing the removal procedure.
  8. Once installation is complete, adjust the valves as described in the valve lash procedure. Fig. 1: Stuck lifters must be freed using a slide hammer type lifter removal tool tccs3813.jpg
4.3L, 5.0L, 5.7L And 7.4L Engines
  1. Remove the cylinder head cover.
  2. Remove the intake manifold.
  3. Back off the rocker arm adjusting nuts and remove the pushrods. Keep them in order for installation.
  4. Remove the lifter retainer bolts, retainer and restrictor.
  5. Remove the lifters. If your are going to re-use the lifters, remove them one at a time and mark each one for installation. They must be re-installed in the same locations. If a lifter is stuck, it can be removed with a grasping-type lifter tool, available from most auto parts stores.
  6. Inspect each lifter thoroughly. If any of them shows any signs of wear, heat bluing or damage, replace the whole set.
  7. Coat each lifter with engine oil supplement prior to installation. Tighten the retainer bolts to 12 ft. lbs. (16 Nm). Adjust the valves as described in the valve lash procedure.
6.2L And 6.5L Diesel Engines Fig. 2: Diesel engine valve lifter 84903155.gif
  1. Remove the cylinder head cover.
  2. Remove the rocker arm shaft, rocker arms and pushrods. Keep all parts in order and properly identified for installation.
  3. Remove the clamps and lifter guide plates.
  4. Remove the lifters by reaching through the access holes in the cylinder head with a magnetic lifter tool. If you are going to re-use the lifters, remove them one at a time and mark each one for installation. They must be re-installed in the same locations. If a lifter is stuck, it can be removed with a grasping-type lifter tool, available form most auto parts stores. To install:
  5. Inspect each lifter thoroughly. If any of them shows any signs of wear, heat bluing or damage, replace the whole set. NOTE: Some engines will have both standard and 0.010 in. (.0039mm) oversize lifters. The oversized lifters will have "10'' etched into the side. The block will be stamped "OS'' on the cast pad next to the lifter bore. and on the top rail of the crankcase above the lifter bore. WARNING
    New lifters must be primed before installation. Damage to the lifters and engine will result if new lifters are installed dry!
  6. Prime new lifters by immersing them in clean kerosene, engine oil or diesel fuel and working the lifter plunger while the unit is submerged.
  7. Prior to installation, coat the lifter roller with engine oil supplement. Re-used lifters must be installed in their original positions!
  8. Install the lifters.
  9. Install the guide plates and clamps. Tighten the clamp bolts to 18 ft. lbs. (26 Nm).
  10. After all the clamps are installed, turn the crankshaft by hand, 2 full turns (720°) to ensure free movement of the lifters in the guide plates. If the crankshaft won't turn, one or more lifters may be jamming in the guide plates.
  11. The remainder of assembly the reverse of disassembly.
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Aug 17, 2010 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

How to remove valve cover to replace valve cover gasket


REMOVAL & INSTALLATION

1C-LTC and 2CL-TC Engines
(see Figures 1 and 2)
  1. Disconnect the negative battery cable. Remove and label all electrical wiring, connectors and vacuum hoses necessary to gain removal clearance.
ce45839.jpg

Fig. 1: Loosen and remove the cylinder head cover retaining nuts
  1. Disconnect the PCV hose.
  2. Remove the six nuts and seal washers from the cylinder head cover. Loosen them in a crisscross pattern.
  3. Remove the cylinder head cover and the cover gasket from the cylinder head. Discard the gasket and replace with a new one.

To install:
  1. With a wire brush or gasket scraper, remove all the old gasket material from the cylinder head and the cylinder head cover gasket surfaces.
  2. When the cylinder head surfaces are free and clean, apply beads of sealant to the cylinder head in the locations shown in the accompanying illustration.
4095e24.jpg

Fig. 2: Be sure to apply sealant on the cylinder head prior to cover installation
  1. Install the new gasket in the cover. Make sure that the gasket seats evenly.
  2. Place the cover with the gasket onto the cylinder head.
  3. Install the six nuts and seal washers. Tighten the nuts to 65 inch lbs. (8 Nm).
  4. Connect the PCV hose. Connect all removed vacuum hoses, connectors and electrical wiring. Connect the negative battery cable.
  5. Start the engine and inspect for oil leaks. Repair any leaks as necessary.

Hope this help (remember comment and rated this).

Apr 16, 2010 | 1990 Toyota Camry

1 Answer

My 2001 Daewoo Leganza with 108K miles on it suddenly stalled and would not restart immediately. A state trooper pushed me into a parking lot and the engine started but sounded like a washing machine. Got...


I had a similiar issue (2001 Leganza 112,000 miles) ran great then died. Broken timing belt also bent 2 exhaust valves. Bought the timing belt kit (includes water pump, tensioner and 2 pulleys), top end gasket set, 16 valve lifters (8 of mine had collapsed) and 2 valves on Ebay.I found all the procedure documentation posted on line andI did the job myself for about $325 in parts cost. Runs great now!

Moral of the story....change that damn timing belt at the recommended interval of 60,000 miles!

P.S. Your problem sound like broken teeth on the belt. I would suggest a timing belt replacment and then a compression check of a all cylinders to see if any valves were bent - Good Luck!

Jul 08, 2009 | 1999 Daewoo Lanos

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TOP END NOISE AFTER I CROSSED HOSES


if your cylinders filled up with coolant ...you have a blown head gasket or, cracked engine head

May 29, 2009 | 2002 Jaguar S-Type

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1993 Cherokee Sport oil leak at spark plugs


Reseal the valve cover. Don't use a gasket, use RTV sealer for the best results.

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2003 F-350 6.0 TDI, Front Main Seal, Head Gaskets, and Valve Cover Gaskets


ok make sure to check or replace the unexpensive pcv valve
if that one is cloged it will coause all kind of leaks even whit new seals

and on the head gaskets problem i will recomend to get your radiator serviced or replaced because 90% of the mechanics check your radiator for cloged lines but they always do it at the top and by gravity all the garbache acumulate on the bottom, if you don't beleive it ask your mechanic hos does he inspect your radiator

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