How To Repair The Rear Window Defroster

Defroster Tab Repairs

When the rear defroster does not work at all, small breaks in the horizontal grid can exist eliminated equally the trouble. In this case, all of the horizontal defroster grid lines would need to be broken and information technology is very unlikely that this would happen without it existence immediately obvious.

Begin trouble shooting a full grid failure by carefully inspecting the thick vertical side bars of the defroster. A break or scratch in i of these bars could crusade the defroster to fail completely.

Use the Frost Fighter Defroster Filigree Kit to repair whatsoever small breaks or scratches in these critical side bars.

Defroster tab ready to bond to defroster The more likely cause of a full defroster grid failure is a separated master power clip/tab. These critical tabs connect the defroster filigree with the vehicle's high amperage defroster circuit and are located on each of the defroster grid's vertical side bars. These all of import tabs can be knocked off of the defroster causing full defroster failure. Look for dangling wires virtually the sides of the defroster every bit a sure indication of this problem.

Reattaching Rear Defroster Tabs

Once the separated tab has been identified the challenge becomes reliably reattaching it to the defroster without dissentious the back glass or defroster.

To reattach these separated tabs, pull the metal clip out of its connector and use the Frost Fighter Defroster Tab Repair Kit to repair the problem. The kit uses a fast curing, two part conductive silver adhesive to reattach the main power tabs to the vertical defroster bars. Frost Fighter silver adhesive comes in two syringes for precise dispensing and is mixed at a simple ane:1 ratio. Information technology is important to mix the silver adhesive for at least 30 seconds.

Afterward mixing, dip the base of the tab into the adhesive to coat the expanse to be re-bonded to the defroster. Replace the separated tab over the surface area were it was originally separated from the defroster and rock gently to seat the tab base. Make sure the sliver adhesive overlaps onto the surface of the defroster to ensure the all-time electrical connection.

The simple Frost Fighter tab repair organization is safe for all defroster tabs and volition not cause boosted harm to the defroster as soldering or other methods of tab repair can do. Frost Fighter tab bonding adhesive cures quickly and bonds aggressively forming both the electric and structural connectedness in i uncomplicated operation. Repairs are stable in 10 minutes but need 24 hours at 75° F.

Tab repairs can be made in thirty minutes when heated. Apply a pilus dryer, rut gun or electric heater, estrus lamp or other heat source to keep the bonding area warm during the repair and cure period. Heat to between 100 and 130 F (warm to hand) for at least 30 minutes for the best results.

Tab causes lots of harm to defroster, missing sections – Easy fix

Often a large portion of the defroster is damaged when it equally information technology comes off the window. This also happens when there have been many repair attempts. This damage is easily stock-still past making a minor pad of the Frost Fighter 2000 Tab Bonding kit adhesive.

Mask off area on defroster damaged by tab Since the tab is damaged make sure you have a Uni-Prune Defroster Tab and the Tab Bonding Kit handy. If the connector on the wire is damaged utilize our Uni-Con Connectors.

If the tab is broken and the base is still on the window in that location are several splendid repair options. See our Technical Bulletin 110 – Removing Defrosters Tabs from Window

Once the tab is off and the bonding site is make clean, mask off an surface area around the damage using masking tape, utilise the Frost Fighter tab bonding agglutinative to the defroster inside the masked off area.

Squeegee flat the cloth with a mixing pad and place the new tab back in place on the adhesive pad. Wait five minutes for the bond to start the cure then employ the hair dryer, lamp or other means to cure the bonding site (100-120F 30 minutes) and your back on the road.

New Tab/Clips and Connectors

When a metal tab comes off a defroster they can be lost or damaged. Uni-Clip manufactory replacements work with all vehicle defrosters and connectors including Ford, Honda, Toyota, Nissan, Subaru, GM, Chrysler and many others. Cull the tab that well-nigh closely resembles your vehicles existing tab.

Replace lost of damaged defroster connectors
These factory quality connectors adhere to the vehicles defroster wire and mate with the defrosters tabs. Uni-Prune factory replacement connectors fit all makes and models.

More than on Uni-Prune Defroster Tabs and Connectors