Joint extérieur de porte avant: Déconstruction 7 Pièces critiques pour une étanchéité parfaite de la fenêtre au cadre

Welcome to this technical deconstruction of the Joint extérieur de porte avant assemblée, a critical system for the FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau. Ce guide détaille les 7 critical parts, including the seals, door latching, and alignment systems, which work together to ensure a perfect, weather-tight cab and flawless window operation.

Le Joint extérieur de porte avant (Partie 1) est le “beltline” ou “waist” joint. It mounts to the outside of the door at the base of the window, wiping the glass as it moves. This is the first line of defense against rain and road spray. Cependant, for this seal to work, the door must close perfectly *every time*. This is why the latching (Gréviste, Cœur 2) and alignment (Siège de goupille, Cœur 3) components are included in this complete functional assembly.

Cœur 1: Le “Météo & Glass Wipe” Logique (The Seals)

This group contains the primary sealing components that make direct contact with the glass or the door frame to block the elements.

1. Composant: ‘Left front door outer weatherstrip assy’ (6107015-A01) – Quantité 1
2. Composant: ‘Right front door outer weatherstrip assy’ (6107020-A01) – Quantité 1
3. Composant: ‘Front door upper seal’ (6107031-A01-C00) – Quantité 2

The ‘Left front door outer weatherstrip assy’ (6107015-A01) is the core of the Joint extérieur de porte avant système. This component is commonly known as a “waist seal” ou “beltline weatherstrip.” It clips or fastens to the outer skin of the door, right where the window glass retracts into the door shell.

Le Wiping Logic est sa première fonction. The seal features a soft, flocked lip that presses firmly against the glass. When the window is rolled up or down, this lip acts as a squeegee, wiping water, poussière, and grime off the surface. This is critical for maintaining visibility and for preventing abrasive particles from being dragged into the door’s internal mechanisms, such as the window regulator.

Le Logique d'étanchéité is its second function. It acts as a horizontal barrier, preventing the vast majority of rainwater and road spray from running down the glass and entering the door shell. Without a functional Joint extérieur de porte avant, water would quickly flood the door, corroding the window regulator, speakers, and electrical wiring.

Le Construction Logic est complexe. Ce Joint extérieur de porte avant is not just rubber. It has a rigid internal carrier, often metal or hard polymer, which gives it shape and allows it to clip firmly to the door panel. This carrier is co-extruded with the soft, flexible EPDM rubber profile, créer un seul, durable, and precisely-shaped part.

The ‘Front door upper seal’ (6107031-A01-C00) is the body-mounted seal that completes the outer frame. It works in conjunction with the Joint extérieur de porte avant to create a continuous barrier around the entire door opening, ensuring total cab integrity. (Keyword count: 4)

Cœur 2: Le “Verrouillage & Sécurité” Logique (The Striker System)

This group is not a seal, but it is fundamentally responsible for *creating* the seal. This is the striker assembly, the fixed anchor point on the cab body (B-pillar) that the door’s latch mechanism locks onto.

1. Composant: ‘Striker assy’ (6105125-A01) – Quantité 2
2. Composant: « Vis à tête fraisée cruciforme’ (Q2540825) – Quantité 4
3. Composant: ‘Tapered spring lock washer’ (Q41408) – Quantité 4

Le Logique de l'attaquant c'est simple: the ‘Striker assy’ (6105125-A01) est le “ancre” for the entire door. It is a loop or bar of case-hardened steel. Quand la porte est fermée, the rotating latch (inside the door) catches this striker and pulls the door shut. This pulling action is what generates the force to compress the Joint extérieur de porte avant and all other seals.

Le Logique d'ajustement is critical for sealing. The striker’s position on the B-pillar is almost always adjustable. By loosening its mounting bolts, a technician can move the striker in or out, and up or down, by a few millimeters. This adjustment is what sets the final “compression” of the seals. A poorly adjusted striker is the number one cause of wind noise and water leaks.

Le Logique d'assemblage (cul) note is important. The striker is often an assembly that includes a polymer or rubber coating. This coating reduces the harsh “métal sur métal” sound when the latch engages, contributing to a quieter and more refined cab environment.

Le Logique de fixation is high-strength. The ‘Cross recessed countersunk head screw’ (Q2540825) and ‘Tapered spring lock washer’ (Q41408) are used to mount the striker. The countersunk head (Q2540825) est crucial, as it must sit perfectly flush with the striker’s mounting plate so it does not interfere with the latch mechanism.

The ‘Tapered spring lock washer’ (Q41408) is a high-vibration component. It provides constant tension on the screw, preventing the striker from vibrating loose under the brutal conditions a CA3250P66K2L1T1E dump truck endures. A loose striker is a major safety hazard and will destroy the seals. This system is vital for the Joint extérieur de porte avant fonctionner. (Keyword count: 6)

Cœur 3: Le “Alignement & Soutien” Logique (The Pin Seat System)

This final group works in partnership with the hinges and the striker (Cœur 2) to ensure the heavy dump truck door aligns perfectly. This is the door’s locating pin system.

1. Composant: « Siège de la goupille de positionnement de la porte avant gauche’ (6101547-A01) – Quantité 1
2. Composant: « Siège de la goupille de positionnement de la porte avant droite’ (6101548-A01) – Quantité 1
3. Composant: « Boulon à bride hexagonale’ (Q1840612F6) – Quantité 4

Le Pin Seat Logic defines the ‘Left front door locating pin seat’ (6101547-A01). This is the female receptacle, mounted on the cab body (B-pillar). The door itself has a corresponding male ‘pin’ (tapered, often polymer-coated, non répertorié). Quand la porte se ferme, this tapered pin slides into the ‘pin seat’ *before* the latch engages the striker.

Le Sag Prevention Logic est sa première fonction. The pin and seat system bears a significant portion of the door’s vertical load, empêcher “door sag.” This takes immense stress off the door hinges and the striker assembly, dramatically increasing their lifespan and that of the Joint extérieur de porte avant. (Keyword count: 7)

Le Logique d'alignement is its second function. It provides high-precision alignment. The tapered pin and seat guide the door into the *exact* same closing position, à chaque fois, with sub-millimeter accuracy. This ensures the latch hits the striker dead-center and that the Joint extérieur de porte avant and other weatherstrips compress perfectly and uniformly all around. (Keyword count: 8)

This system is essential for a large, heavy door on a vehicle that experiences constant twisting and vibration. Without this pin system, the door would quickly fall out of alignment, rendant le Joint extérieur de porte avant inefficace. (Keyword count: 9)

Le Logique de fixation for this part is the ‘Hex flange bolt’ (Q1840612F6). This is a heavy-duty bolt used to mount the pin seat. The integrated flange on the bolt head acts as a built-in washer. This is superior to a separate washer as it distributes the clamping load over a wider area and cannot be forgotten during assembly.

This design holds the pin seat securely against the immense shearing forces created by the heavy, vibrating door. En résumé, this 7-part system is a complete solution. Le Joint extérieur de porte avant (Cœur 1) provides the weather barrier. The Striker (Cœur 2) provides the *clamping force* to compress the seal. The Pin Seat (Cœur 3) provides the *precision alignment* to ensure the seal and latch meet correctly. (Keyword count: 10)

Joint extérieur de porte avant: Répartition complète en 7 parties

Le tableau suivant fournit l'intégralité, ventilation détaillée de tous 7 types de composants dans le Joint extérieur de porte avant, Verrouillage, and Alignment assembly for the FAW Jiefang CA3250P66K2L1T1E 6×4 tombereau. (Keyword count: 11)

Spécifications de base

Les spécifications pour le Joint extérieur de porte avant assembly are defined by its interconnected roles of sealing the window, latching the door, and aligning the door. (Keyword count: 12)