Warranty Bulletin D-18-16 Rev. B Mopar Windshield Made With Corning Gorilla Glass (Rev. B)
full bulletin at NHTSA ↗2013 Jeep Wrangler visibility problems
moderate 15 complaints filed with NHTSA · avg repair $350 · see visibility across all vehicles →
Failure mileage
Complaints
15
Recalls
0
Avg fix
$350
When does it fail?
Of the 15 visibility complaints filed for the 2013 Jeep Wrangler, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA visibility complaint has been filed on this vehicle in over 8 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering visibility on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Warranty Bulletin D-18-16 Rev. B Mopar Windshield Made With Corning Gorilla Glass (Rev. B)
full bulletin at NHTSA ↗Rear Wiper Will Not Turn On After Recent Hard Top Removal
full bulletin at NHTSA ↗Rear Wiper Will Not Turn On After Recent Hard Top Removal
full bulletin at NHTSA ↗Rear Wiper Will Not Turn On After Recent Hard Top Removal
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2013 Jeep Wranglers describe two distinct windshield problems. First, thermal stress cracking: the windshield cracks with a loud pop when the defroster or heater runs during cold weather, sometimes while the vehicle sits parked with heat on. These cracks radiate from the bottom of the windshield in branching patterns with no visible chip or prior damage. Multiple owners report three to four replacements within two years. One owner experienced three cracks at 3, 4, and 5 months of ownership. Chrysler declined warranty coverage, citing external factors.
Second, road debris cracking: small stones cause severe cracks even at modest impact. Owners note these cracks worsen when the defroster runs. One glass installer reported 4,000 OEM windshields on back order due to high failure volume, suggesting manufacturers made windshields lighter to reduce vehicle weight.
Heater system failures also impair visibility. Some owners report the heater core clogged with sludge (suspected manufacturing remnants), preventing hot air from reaching the driver's side, leaving the driver-side windshield frosted. Others describe defrost fan motors that squeak, lose speed, and fail intermittently. At 50,000–67,000 miles, heater core replacement costs have exceeded $2,000 when additional cooling system damage occurred.
Failure modes owners describe
Windshield cracking from thermal stress
Windshield cracks suddenly with a popping sound when defroster or heater is turned on in cold weather, often with no prior chip or impact damage. Some cracks appear while vehicle is parked and stationary. Cracks radiate from bottom of windshield in circular or branching patterns.
When: Cold weather conditions; 3–5 months into ownership; mileage range 8,400–67,000 miles
Symptoms owners cite: Sudden loud pop or popping noise from windshield; Crack appears at bottom of windshield and spreads; Radial or branching crack pattern; No visible chip or prior impact damage; Crack develops or expands when defroster/heater is running; Occurs in cold weather or after temperature extremes
Repairs/costs cited: Windshield replacement; one owner cited $650 or more for OEM replacement. Multiple owners report 3–4 windshield replacements within 2 years. One glass installer mentioned windshields made lighter to reduce vehicle weight.
Recalls/TSBs owners mention: Chrysler/Jeep declined warranty claims citing external factors. One dealership stated no recalls issued but owner would be reimbursed if repair was paid and a recall subsequently issued.
Windshield cracking from road debris impact
Windshield cracks from small stones or debris kicked up from roadway during normal highway or city driving. Cracks are severe even from minimal impact and expand further when defroster is used.
When: At 3, 4, and 5 months of ownership (8,400 miles total); during highway and city driving
Symptoms owners cite: Crack appears after hearing stone impact at 40–60 mph; Severe cracks from minimal impact; Cracks obstruct visibility; Crack expands when defroster is run
Repairs/costs cited: Windshield replacement. One owner had three replacements within 5 months. Industry contact noted 4,000 OEM windshields on back order and widespread adoption of aftermarket glass due to supply issues.
Recalls/TSBs owners mention: No recalls. Manufacturer will not respond to inquiries or provide assistance.
Heater core clogging and sludge buildup
Heater core becomes partially or fully clogged with casting sand or sludge-like substance in the coolant system. This restricts hot air flow, preventing defrost on driver's side or causing complete loss of cabin heat. Suspected manufacturing remnants left in cooling system at factory.
When: 50,000–67,000 miles; coolant not changed since manufacture
Symptoms owners cite: Driver's side of windshield will not defrost while passenger side operates normally; No heat output to driver's side vents; Frosted blind spot on driver's side window and door glass; Complete loss of cabin heat in cold weather
Repairs/costs cited: Heater core replacement required. One owner cited repair cost of $2,382 (which also included radiator and oil cooler replacement due to casting sand contamination). Multiple owners report needing heater core replacement; one installer encountered clogged cores frequently.
Recalls/TSBs owners mention: Manufacturer stated no recalls issued; however, owner would be reimbursed if repair was paid first and a recall subsequently issued.
Defrost fan motor malfunction
Defrost fan motor operates noisily, fails to maintain consistent speed, and may produce high-pitched squeaking or clicking sounds from bearing failure. Fan operation is intermittent, sometimes failing to defrost altogether.
When: <UNKNOWN>
Symptoms owners cite: Loud, noisy defrost fan motor; Fan speed not maintained; Intermittent defrost—fan comes and goes; No defrost condition results; High-pitched squeak or clicking from fan bearings; Impairs ability to see out windshield
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
A well-known fault since 2013, a self-destructive faulty heater core part #68004193a which sheds casting sand causing complete shut down of radiator & oil cooler & engine operation. In addition, causes certified Jeep mechanics to mis-diagnose resulting in additional costly time & expense. Damage done to replace heater core, radiator, oil cooler an additonal $2,382. While still driveable in…
Had visibility trouble with your 2013 Jeep Wrangler?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the visibility problem on the 2013 Jeep Wrangler?
It's a documented issue but not catastrophic. 15 complaints have been filed. Repairs average $350 and most owners catch it before it causes a breakdown.
At what mileage does the visibility typically fail?
Across the 14 complaints that reported odometer mileage, most visibility failures cluster between 10,100 and 51,000 miles, with the median around 33,300. A quarter of owners report trouble before 10,100; a quarter make it past 51,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $350 for visibility repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to visibility?
No active recalls currently cover visibility issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2013/Jeep/Wrangler.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.