Exhaust leak at manifold on both sides of the engine. There is a significant crack in the manifold that is a defect and causes gases to escape into engine compartment and into the cab. *tr
2008 Nissan Titan engine problems
moderate 22 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
22
Recalls
0
Avg fix
$3,100
1crash
When does it fail?
Of the 22 engine complaints filed for the 2008 Nissan Titan, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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 engine complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: Cracked exhaust manifolds are a widespread defect on 2008 Titans across mileage ranges, causing fumes to enter the cabin and creating a safety hazard. Nissan denies recall coverage and repair costs exceed $3,000, with replacements reported to crack again.
Owners of 2008 Nissan Titans report cracked exhaust manifolds as the dominant engine failure. Cracks appear on one or both manifolds, typically at weld joints or mounting plates, and occur across a wide mileage range—from as low as 1,500 miles to over 150,000 miles, with many clustering in the 60,000–100,000 range.
The cracks produce a persistent ticking or abnormal noise when the engine is cold, often fading after warm-up. More serious: exhaust fumes leak into the engine compartment and cabin, creating an obvious exhaust odor at the vents. Owners report inhaling fumes while stopped or driving, causing lightheadedness and near-fainting hazards. One owner also noted extreme fuel consumption and lack of power after a manifold leak developed following accident repair.
A separate but related complaint involved a transmission fluid hose connection to the radiator that cracked due to inadequate support and vibration, causing sudden transmission loss at 45,000–90,000 miles and requiring replacement twice.
Dealers have repeatedly told owners the cracked manifolds are not covered by recall despite acknowledging the problem is widespread. Repair estimates exceed $3,000. Owners report that replacement manifolds crack again, suggesting a design defect rather than an isolated manufacturing flaw. Nissan warranty coverage has been denied on out-of-warranty vehicles.
Same Nissan Titan engine reports on nearby years: 2005 · 2006 · 2007
Failure modes owners describe
Cracked exhaust manifolds
Weld joints and mounting plates on one or both exhaust manifolds develop cracks, allowing hot exhaust gases to escape into the engine bay and seep into the cabin through ventilation.
When: 1,500 to 154,000 miles; many occur 60,000–100,000 miles
Symptoms owners cite: Persistent ticking or abnormal noise when engine is cold; Noise typically fades after 5 minutes of warmup; Visible or smell of exhaust odor from vents, especially passenger side; Exhaust fumes entering cabin while stationary and while driving; Lightheadedness, near-fainting from inhaling fumes; Lack of power and extreme fuel consumption in one case
Repairs/costs cited: Exhaust manifold replacement; estimated cost over $3,000. Owners report replacement manifolds crack again. One vehicle required four dealership visits without diagnosis before a fifth visit promised an unknown part order.
Recalls/TSBs owners mention: Dealers have stated no recall exists and that the problem is known but not covered. Nissan warranty denied on out-of-warranty vehicles. One district manager refused coverage, citing maintenance at independent shop rather than dealer.
Cracked transmission fluid hose to radiator
Lower transmission hose connection to radiator cracks due to inadequate support and vibration, releasing transmission fluid and causing sudden transmission failure.
When: 45,000–50,000 miles first failure; 90,000 miles second failure
Symptoms owners cite: Sudden loss of transmission while driving on highway; Requires complete transmission replacement
Repairs/costs cited: Transmission replacement required at both 45,000–50,000 miles and 90,000 miles on the same vehicle.
Engine power loss and revving (transmission suspected)
Vehicle revs unexpectedly and loses power during normal driving; resumes power when accelerator is released. Dealership attributed to transmission failure despite extremely low mileage.
When: 22,000 miles
Symptoms owners cite: Engine revs without driver input; Sudden loss of power; Power returns when foot removed from accelerator; Occurred multiple times on single drive
Repairs/costs cited: Dealership claimed transmission failure. Owner reports truck used lightly for personal transport and maintained per schedule at certified independent shop.
Recalls/TSBs owners mention: Warranty denied; manufacturer stated warranty no longer in effect and blamed use of non-dealer maintenance, despite owner having completed all recommended service. District manager referenced extended warranty on Frontier transmissions due to radiator-fluid mixing but refused to apply any coverage.
Synthesized from 22 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
I bought a brand new 2008 Nissan titan crew cab truck back in sep 2007 no later then 3 months later it started to make a funny noise that I was uncertain of so I called the dealer ship immediately and made an appointment to get it looked at the first time was back in dec 06,2007 left the truck in the dealers ships hands they had my vehicle for 2 days when I came back to pick up my truck dec…
I bought a brand new 2008 Nissan titan crew cab truck back in sep 2007 no later then 3 months later it started to make a funny noise that I was uncertain of so I called the dealer ship immediately and made an appointment to get it looked at the first time was back in dec 06,2007 left the truck in the dealers ships hands they had my vehicle for 2 days when I came back to pick up my truck dec…
We just took our 2008 Nissan titan into have oil changed we had just gotten the vehicle a couple days before and found out that the exhaust manifolds were cracked with only 66k miles on it! This truck is in excellent condition with no tow package and not used for hauling or heavy work. We had no idea this was a problem with the vehicles or we wouldn't have bought one. There are many people…
Had engine trouble with your 2008 Nissan Titan?
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 engine problem on the 2008 Nissan Titan?
It's a documented issue but not catastrophic. 22 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 18 complaints that reported odometer mileage, most engine failures cluster between 22,000 and 144,000 miles, with the median around 83,000. A quarter of owners report trouble before 22,000; a quarter make it past 144,000. 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 $3,100 for engine 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 engine?
No active recalls currently cover engine 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/2008/Nissan/Titan.
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.