Question about 2001 Jeep Cherokee

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Valve tap when i start my vehicle i get a tapping sound that seems to dissipate the faster u run the vehicle. Is there anyway an intermediate in experience can fix this or is it a professional fix

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4 Suggested Answers

emissionwiz
  • 60971 Answers

SOURCE: Had a bad egr valve

You have a plugged exhaust, replace the catylictic converter and find out what make it fail and plug, rich fuel mixture is most common cause of overheated burnt cat. The EGR is just a symtom of the plugged exhaust.

Posted on Aug 02, 2008

fyrebyrd1
  • 121 Answers

SOURCE: Valve train tapping?

The 6.0 engine had an issue with piston to bore clearances, from the factory these clearances were excessive. It is reffered to as "piston slap". This condition is known by GM, but most dealers say it's normal. It can be as slight as an annoying tick, to a clearly audible clacking noise. Unfortunately the condition was under played by GM, and there are many folks who haven't been able to get help with their trucks. I own an '03 Silverado w/6.0, and hear this noise everytime I start my truck. I deal with it, because I'm a mechanic and figure I'll be able to fix it if I need to. Research more online about this condition. I've found many websites that relate to this issue (Google: 6.0 piston slap) I hope this helps.

Posted on Nov 19, 2008

  • 147 Answers

SOURCE: 4.7 liter jeep motor making tappinf sound and motor is missing

sounds like the lifters losed prime! here is a little trick that ive learned add a half off quirt off transmission fluid to the oil to prime the lifter

Posted on Nov 30, 2008

  • 91 Answers

SOURCE: TAPPING IN VALVES

DEPENDS IF YOU HEAR IT WHEN U START THE ENGINE AN THEN GOES AWAY IS NORMAL, THE HEATING OF CAST IRON BLOCK AN ALUMINUM HEADS BUT IF U CONSTANTLY HEAR IT YOU MAY WANT TOCHANGE YOUR OIL, TO A DIFFERENT WEIGHT, OR TRY MOTORCRAFT ENGINE OIL, MY MOTOR LIKES IT....LOL.....I STICK TO MOTORCRAFT PARTS ALL THE TIME COST A LIL MORE BUT DONT GET ANY BAD PARTS SPECIALLY IF THEY ARE ELECTRIC GOOD LUCK......!

Posted on May 28, 2009

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1 Answer

How to replace two of the shift solenoids on a Pontiac Aztek 2004


1-2 Shift Solenoid Valve Replacement ,same for other shift solenoids !
Remove the case side cover. Refer to Control Valve Body Cover Replacement . Disconnect the transaxle wiring harness.
Control Valve Body Cover Replacement
Removal Procedure
  1. Remove the air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.4L.
  2. Remove the engine mount struts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side in Engine Mechanical.
  3. Remove the shift cable bracket from the transmission.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the left front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Remove the left engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  7. Remove the left tie rod end from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
Remove the left wheel speed sensor harness connector (2) and the harness (1) from the lower control arm. Remove the left lower ball joint from the left steering knuckle. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension. Remove the left stabilizer . Refer to Fastener Tightening Specifications in Suspension. Reposition and secure the drive axle toward the rear of the vehicle. Remove the trans mount nuts at the frame.
Caution: Failure to disconnect the intermediate shaft from the rack and pinion stub shaft can result in damage to the steering gear and/or damage to the intermediate shaft. This damage may cause loss of steering control which could result in personal injury.
Remove the intermediate shaft (1) from the steering gear (2). Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column - Tilt.
Support the left side of the frame with a utility stand. Remove the left side frame bolts. Use the utility stand in order to lower the left side of the powertrain enough to gain access the case side cover bolts.
Support the transmission with a transmission jack. Use the utility stand in order to lower the left side of the frame enough to access the case side cover lower bolts. Position the drain pan under the transaxle. Disconnect the transaxle wiring harness electrical connectors.
Remove the case side cover bolts (56-58). 56 are regular bolts ,58 are studs .
Remove the case side cover pan (53).
If not replacing the side cover, steps 24, 25, 26, and 27 are not required.
Remove the case side cover gasket (54). Remove the case side cover inner gasket (59).
Inspect the case side cover (53) for the following conditions:
?€¢
Damaged or porous gasket sealing surfaces


?€¢
Damaged or porous casting surfaces


?€¢
Damaged or stripped bolt holes

Inspect the case side cover gasket (54) and case side cover inner gasket (59) for damage. The gaskets are reusable if they are NOT damaged. Clean the case side cover gasket surfaces
Install the 1-2 shift solenoid (315A). Connect the transaxle wiring harness. Install the case side cover. Refer to Control Valve Body Cover Replacement .
Important: It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
Reset the TAP values. Refer to Transmission Adaptive Functions .
Good luck , this job is a real pain in the ***

Aug 25, 2015 | Pontiac Cars & Trucks

2 Answers

There is a tapping noise on the top of the engine,when i revv it it gets faster


tapping noise is usually a problem in the head [valve train ] check oil level and oil pressure -tapping usually from oil starved ,worn or damaged -valve,rocker,push rod--also can check belt pulleys or alternator they can also cause a noise but the head area is the most common

Jul 09, 2015 | Cars & Trucks

1 Answer

Tapping sound not coming from engine, 2006 f150, the tap gets faster when accelerating and slower when decelerating. the tapping starts at different mph's. can anybody help me?


try changing the oil but use seafoam in the oil first and run it for a while,the lifters may be dirty and this may fix them,ive heard this sound in a 2004 f150 before but havent tried anything yet

Dec 23, 2009 | 2004 Ford F150

2 Answers

Engine tapping.......


Tapping and oil burning when both are together are tappet trouble. Get another mecanic to check. Any other part of the engine tapping would get a lot louder after a lot less miles. Sounds like tappets and valve stem seals are worn hence tapping and oil burning.

Aug 04, 2009 | Isuzu Cars & Trucks

1 Answer

Tapping noice when the truck is running its sounds like tap,tap,tap,tap,tap,tap


It could be a bent valve, push-rod/s, piston slap, connecting rod bearings,bad fuel, timing, could need a tune-up,knock sensor, bad fuel, or water in fuel. You can start by looking at the vehicles repair/maintenance history, preform a dry and wet compression test,and take it from there. If I can be any more help let me know, thank you.

May 31, 2009 | 1992 GMC Sonoma

3 Answers

Tapping sound when Engine running


it sounds like your timing chain needs replacing. Better get it seem to quick in case of trouble if it breaks.

Apr 16, 2009 | 1999 Suzuki Grand Vitara

1 Answer

1989 toyota camry 3s-fe enginge/valves


just try to take the valve cover gasket off first and look and see if there is anything on the underbelly of it were it has been knocking and then go from there.

Apr 14, 2009 | 1990 Toyota Camry

1 Answer

Lifters or valves tapping


it sounds like maybe a worn lifter they are easy to replace

Mar 02, 2009 | 2000 Pontiac Montana

1 Answer

4.7 liter jeep motor making tappinf sound and motor is missing


sounds like the lifters losed prime! here is a little trick that ive learned add a half off quirt off transmission fluid to the oil to prime the lifter

Nov 30, 2008 | 2002 Jeep Grand Cherokee

1 Answer

Valve train tapping?


The 6.0 engine had an issue with piston to bore clearances, from the factory these clearances were excessive. It is reffered to as "piston slap". This condition is known by GM, but most dealers say it's normal. It can be as slight as an annoying tick, to a clearly audible clacking noise. Unfortunately the condition was under played by GM, and there are many folks who haven't been able to get help with their trucks. I own an '03 Silverado w/6.0, and hear this noise everytime I start my truck. I deal with it, because I'm a mechanic and figure I'll be able to fix it if I need to. Research more online about this condition. I've found many websites that relate to this issue (Google: 6.0 piston slap) I hope this helps.

Sep 29, 2008 | 2000 Chevrolet Silverado

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