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Possible cause of connecting rod damage wave 125

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Excessive rpms, water in combustion chamber causing hydraulic lock ( bends rods , cranks )
sudden stopping of the crank ( debris in the jet water pump)

Posted on May 06, 2017

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Improper oil mixture (injection problem. Over heating. Very lean condition. Excessive rpm. Inspection after teardown should should give you a good idea of the cause.

Posted on May 07, 2017

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Posted on Jan 02, 2017

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I have honda stunner bike i changed bore piston with connecting rod still smoke come when high tourqe


There are a number of possible reasons to get smoke including:
Cylinder bore scored, causing rings to not seat.
Damaged rings during piston replacement
Valve guides leaking
Mixture wrong (is smoke blue, white or black?)

Jan 02, 2015 | Honda Cars & Trucks

1 Answer

What may cause a problem to the connecting rod


The connecting rod may be damaged by lack of oil or by over-revving the engine. Also the rod bearing could spin. These will require internal engine repairs to be made.

May 21, 2014 | Cars & Trucks

1 Answer

Envoy hatch lock


There is a known TSB for this....
#07-08-52-003: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE)/Key Fob Transmitter/Door Lock Switch, Lifgtate Hatch or Liftgate Glass May Lock/Unlock When Rear Liftgate Glass Button Depressed - (Sep 13, 2007)


Subject: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE), Key Fob Transmitter or Door Lock Switch, And/Or Liftgate Hatch Or Liftgate Glass May Lock Then Unlock When Rear Liftgate Glass Button is Depressed (Reposition Lock Cylinder Wave Washer and Adjust Lock Rod)


Models: 2005-2007 Buick Rainier

2005-2008 Chevrolet TrailBlazer, TrailBlazer EXT, TrailBlazer SS

2005-2008 GMC Envoy, Envoy XL, Envoy Denali

2005-2008 Saab 9-7X




--------------------------------------------------------------------------------
Do This
Don't Do This

Reposition liftgate lock cylinder wave washer and adjust lock rod.
DO NOT replace the liftgate latch or actuator.


Condition
Some customers may comment on one or more of the following conditions:

• The rear liftgate glass may not lock when using the remote keyless entry (RKE), key fob transmitter or door lock switch unless the lock is pressed a second time.

• The rear liftgate or glass locks, but may be unlocked when the rear liftgate lock cylinder button is depressed.

• The rear liftgate locks but the liftgate glass may not lock.

Cause
These conditions may be caused by one or all of the following:

• The rear liftgate cylinder lock rod may be out of adjustment.





• The wave washer on the liftgate lock cylinder may be out of position with the cup side down.

• Excessive movement or slack in the lock rods at the liftgate bell crank assembly.





• The liftgate lock cylinder pawl may contact the rear liftgate glass latch when the lock cylinder button is depressed.

Correction
Important: Do Not remove the rear liftgate lock cylinder from the vehicle to perform this repair.

Reposition the rear liftgate lock cylinder wave washer and adjust the lock rod using the steps below.

Verify the customer's condition.

Open the liftgate.

Remove the upper liftgate garnish molding.

Remove the rear liftgate trim panel.

Remove the cylinder lock rod from the threaded lock rod retaining clip.

Tip
Place the tip of a screwdriver blade into the opening of the C-clip and slowly rotate the screwdriver to pry out the C-clip from the shaft. Then use needle-nose pliers to remove the C-clip.

Remove the C-clip from the rear liftgate lock cylinder push button and remove the wave washer.

Install the wave washer with the cup side up.

Position the wave washer with the curved edges of the wave spring parallel to the tabs on the lock cylinder shaft.

Important: Use needle-nose pliers to slightly squeeze the C-clip back into shape. Make sure the clip seated, you should feel a snap and hear an audible click.

Install the C-clip onto the shaft and in the slot using needle nose pliers. Then rotate the pawl several times to make sure the C-clip does not rotate. If the clip rotates then the clip is not fully seated.

Position the lock cylinder pawl to the full clockwise position.

Pull up on the cylinder lock rod to remove any slack in the bell crank.

Install the cylinder lock rod into the threaded lock rod retaining clip while removing any slack from the lock rod linkage.

Close the lock rod retainer clip.

Close the liftgate assembly.

Open the liftgate glass while keeping the liftgate closed.

Use the key fob to cycle the liftgate to the lock and unlock position while inspecting the rear liftgate pawl. The lock cylinder pawl should have clearance between the latch as shown above. If the pawl is contacting the latch, readjust the cylinder lock rod.

Verify that the customer's condition has been corrected.

Install the rear liftgate trim panel.

Install the upper liftgate garnish molding.

Apr 14, 2014 | GMC Envoy XL Cars & Trucks

1 Answer

Can you turn motor by hand with 2 rods unhooked or does do damage


Well if the connecting rods hit the crank, it could scratch the bearing surface. If the pistons were at the top of the cylinders, and you have an interference engine, the valves could have struck the pistons but they probably would have moved down and not caused any damage.
You would have known if the rods jammed against the crank since that would have stopped the crank from turning.

Jul 01, 2013 | Cars & Trucks

2 Answers

Connecting rod has hole in it


If you want to fix this you will need a new engine, that is about a $2000.00-$2500.00 job.Shop around for the best price, it will vary allot. I would use a GM replacement engine as the aftermarket rebuilds can be of poor quality. The factory part is very cheap.

Oct 01, 2012 | 1999 Chevrolet Suburban

1 Answer

Rear liftglass won't lock


#07-08-52-003: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE)/Key Fob Transmitter/Door Lock Switch, Lifgtate Hatch or Liftgate Glass May Lock/Unlock When Rear Liftgate Glass Button Depressed - (Sep 13, 2007)


Subject: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE), Key Fob Transmitter or Door Lock Switch, And/Or Liftgate Hatch Or Liftgate Glass May Lock Then Unlock When Rear Liftgate Glass Button is Depressed (Reposition Lock Cylinder Wave Washer and Adjust Lock Rod)


Models: 2005-2007 Buick Rainier

2005-2008 Chevrolet TrailBlazer, TrailBlazer EXT, TrailBlazer SS

2005-2008 GMC Envoy, Envoy XL, Envoy Denali

2005-2008 Saab 9-7X




--------------------------------------------------------------------------------
Do This
Don't Do This

Reposition liftgate lock cylinder wave washer and adjust lock rod.
DO NOT replace the liftgate latch or actuator.


Condition
Some customers may comment on one or more of the following conditions:

• The rear liftgate glass may not lock when using the remote keyless entry (RKE), key fob transmitter or door lock switch unless the lock is pressed a second time.

• The rear liftgate or glass locks, but may be unlocked when the rear liftgate lock cylinder button is depressed.

• The rear liftgate locks but the liftgate glass may not lock.

Cause
These conditions may be caused by one or all of the following:

• The rear liftgate cylinder lock rod may be out of adjustment.





• The wave washer on the liftgate lock cylinder may be out of position with the cup side down.

• Excessive movement or slack in the lock rods at the liftgate bell crank assembly.





• The liftgate lock cylinder pawl may contact the rear liftgate glass latch when the lock cylinder button is depressed.

Correction
Important: Do Not remove the rear liftgate lock cylinder from the vehicle to perform this repair.

Reposition the rear liftgate lock cylinder wave washer and adjust the lock rod using the steps below.

Verify the customer's condition.

Open the liftgate.

Remove the upper liftgate garnish molding.

Remove the rear liftgate trim panel.

Remove the cylinder lock rod from the threaded lock rod retaining clip.

Tip
Place the tip of a screwdriver blade into the opening of the C-clip and slowly rotate the screwdriver to pry out the C-clip from the shaft. Then use needle-nose pliers to remove the C-clip.

Remove the C-clip from the rear liftgate lock cylinder push button and remove the wave washer.

Install the wave washer with the cup side up.

Position the wave washer with the curved edges of the wave spring parallel to the tabs on the lock cylinder shaft.

Important: Use needle-nose pliers to slightly squeeze the C-clip back into shape. Make sure the clip seated, you should feel a snap and hear an audible click.

Install the C-clip onto the shaft and in the slot using needle nose pliers. Then rotate the pawl several times to make sure the C-clip does not rotate. If the clip rotates then the clip is not fully seated.

Position the lock cylinder pawl to the full clockwise position.

Pull up on the cylinder lock rod to remove any slack in the bell crank.

Install the cylinder lock rod into the threaded lock rod retaining clip while removing any slack from the lock rod linkage.

Close the lock rod retainer clip.

Close the liftgate assembly.

Open the liftgate glass while keeping the liftgate closed.

Use the key fob to cycle the liftgate to the lock and unlock position while inspecting the rear liftgate pawl. The lock cylinder pawl should have clearance between the latch as shown above. If the pawl is contacting the latch, readjust the cylinder lock rod.

Verify that the customer's condition has been corrected.

Install the rear liftgate trim panel.

Install the upper liftgate garnish molding.

Jan 17, 2012 | 2009 Saab 9-7X

1 Answer

Hi i hav a 1990 toyota with the 3vze 3.0 v6 sohc 12 valve i need the rod bolt torque


The connecting rod nuts for these engines use a combination torque, then turn method to achieve the proper clamping load. First the nut is torqued to 18 lbs.ft., then turned an additional 90°. It is possible for the rod bolt to slightly turn inside the connecting rod during this process, causing the final torque to be below specifications. The nut must be turned 90° relative to the bolt, not the connecting rod.

Mar 23, 2011 | Toyota 4Runner Cars & Trucks

1 Answer

The drivers door will not lock automatically when the engine is engaged or when I use the keyless lock/unlock on my keychain


if actuator is making noise/clicking possible locking rod clip disconnected or damaged if no noise check power and in between door by hinge for possible damaged wires if good --need to remove door panel and repair or replace lock rod connections or test and repair/replace actuator

Oct 23, 2009 | 2002 Oldsmobile Alero

3 Answers

V6 engine failure


if heads were warped, then yes coolant got into the cylinder/s . so there is your water poured into engine. a bent piston rod cannot be diagnosed, it must be seen. a would run slick 50 into this engine.

Sep 10, 2009 | 2000 Mercury Sable

1 Answer

Kia sportage will not select 4wd hgh or low range


4WD does not engage Possible cause:
Bent or broken rod assembly Burned out 4WD indicator light (4WD may be engaged, but light is out) Broken chain Misaligned or broken transfer lever mechanism
Difficult or impossible to shift
Insufficient or improper lubrication Shift fork worn or damaged Worn, bent or damaged shift rods Worn, bent or damaged shafts

Sep 03, 2008 | 1999 Kia Sportage

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