Nissan Murano: Repairing Procedures and Precautions / Repair Techniques Using Body Straightening Equipment

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Body Repair :: Fundamentals / Service Information / Repairing Procedures and Precautions / Repair Techniques Using Body Straightening Equipment

Steps and Process

Each step and process should be described in detail. See below the steps:

Details
Repair preparation	Repair method confirmation	Check the contents of the repair sheet and the work procedure.
	Preparation of tools and equipment	Prepare the necessary tools and equipment.
	Associated and ancillary work	Remove any outer panels, exterior parts, interior parts and functional parts that will impede the work.
Basic repair work	Mounting	Secure the body to frame aligner.
	Preparatory measurement	Assess the level of damage before starting repair.
	Dimension restoration	Restore the inner panel parts and frame parts to correct dimensions.
Panel shape restoration work	Panel shape restoration	After completing the basic repair work, restore any remaining deformation.
Parts replacement work	Removal of replacement parts	Remove parts on the body side where you will perform replacement. .
	Preparation of body side	Perform finishing on the contact surface of the body side so new part can be welded.
	Preparation of new parts side	Perform preparations for welding, such as processing the contact surfaces of the new parts.
	New parts attachment	Weld the new parts to the body.
	New parts attachment	Apply body sealant and an undercoating.
Basic repair work	Dismounting	Lower the body from frame aligner.
Paint coat work 1	Painting of repair area 1	Paint the inner panel parts and frame parts, and the back surfaces of the outer panels.
Post-repair work 1	Associated and ancillary work	Attach the removal outer panels, functional parts and interior parts. .
Paint coat work 2	Painting of repair areas 2	Paint the outer panel.
Post-repair work 2	Associated and ancillary work	Attach the removal exterior parts.
	Complete work inspection	Perform inspection of the final finish and function.
	Putting away tools and equipment	Put away the tools and equipment.

Securing the Vehicle

To prevent the movement of vehicle, use a suitable method that can resist the pulling force required for repair.

(1) ANCHORING POINT

For passenger Nissan Murano vehicle

CAUTION:

Choose the foundation of a rigid pillar or a member for anchoring point.

Set the equipment so that the direction of claw clamp is opposite to the direction of pull.

(2) ATTACHMENT OF CHAINS

Pulling to the front of vehicle

The Nissan Murano vehicle will be secure if it is pulled in the range indicated by the arrows in the figure. The rear side is the opposite of this.
Pulling to the left or right side

Pull the Nissan Murano vehicle within the range indicated by arrows.

(3) ANCHORING POINT FOR FRAME MODEL USING FRAME CLAMPING

If the frame cannot be anchored to the straightening equipment with the basic anchoring method the frame can be directly anchored by using frame clamping system. The figure shows an example in which the spring shackle is anchored without the spring being removed.

Securing and Pulling

In principle, the pulling force must be applied in the exact opposite direction of the impact force (input). The securing method must match this pulling direction.

(1) DOWNWARD PULL

Secure as close to the damaged portion as possible. If there is a separation between the pulling point and damaged point, the undamaged portion will also be pulled.

(2) UPWARD PULL

Set the supporting so that undamaged portions will not be affected by pulling.

(3) FIXING AND PULLING METHOD FOR SIDE BEND

To pull the front part of vehicle, secure the vehicle body to avoid movement by the moment of rotation caused by pulling.

(4) FIXING AND PULLING METHOD FOR DIAMOND

If only points (A) and (B) are secured, a moment of rotation may result. Establish another supporting point at portion (C).

(5) SIMULTANEOUS PULLING IN MULTIPLE DIRECTIONS

This method can shorten repair time, and also prevent secondary damage.

(6) SIMULTANEOUS PUSH-PULL METHOD

This method may be used when stress is concentrated at the front side member. The front of the front side member is bent inward while the rear is bent outward.

(7) ROOF DAMAGE

Connect an extension tube to the ram.

Positioning it near the vehicle body will result in increased pulling length.

Body Straightening Equipment

Comparison of Pulling Methods (1) HYDRAULIC RAM TYPEIn this method, the pressing force of a hydraulic ram is converted to a pulling force by a chain. Pulling points on the body may be added easily, and there is more freedom to select the pulling direction...

Repair Procedure for Pulling

Repair Sequence In general, no single bend or twist is produced in a collision. Body deformation results from a combination of bending and twisting and other types of damage...

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