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Nova Bus recall 11V525 (CR1696): Nova Bus Nova LFS (2010)

A car engine bay
Illustrative photo, not the recalled vehicle. Photo: Alex Marc Wagner / Unsplash

Nova Bus Nova Lfs, model year 2010. Filed by Nova Bus Incorporated and reported to NHTSA on 1 November 2011. 20 vehicles potentially affected.

What the notice says Nova bus is recalling certain model year 2010 lfs buses manufactured from september 1, 2010, through december 31, 2010, equipped with a cummins isb, isx, isc or isl diesel engine. the v-band clamp assembly, part numbers q187684, q187685, and q187686, used to connect the inlet and outlet cone sections to the diesel …

Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

CarsMultiverse/Recalls

Nova Bus's own number for this recall: CR1696. That is the number on the owner letter and on the dealer paperwork. 11V525 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.

What owners ask about this recall

Which vehicles does recall 11V525 cover?
Nova Bus Nova LFS, model year 2010.
What is wrong with them?
NOVA BUS IS RECALLING CERTAIN MODEL YEAR 2010 LFS BUSES MANUFACTURED FROM SEPTEMBER 1, 2010, THROUGH DECEMBER 31, 2010, EQUIPPED WITH A CUMMINS ISB, ISX, ISC OR ISL DIESEL ENGINE.
What can happen if it is not put right?
IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH COMPLETELY, CREATING A ROAD HAZARD.
Is there a fix yet?
Yes, and it is free. NOVA BUS IS WORKING WITH CUMMINS TO IDENTIFY AND NOTIFY OWNERS OF THE RECALL CAMPAIGN. REPAIRS WILL BE PERFORMED BY AUTHORIZED CUMMINS DEALERS FREE OF CHARGE. THE SAFETY RECALL BEGAN OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000.
What should I do now?
Check your own vehicle by its VIN with NHTSA, which is the record to act on. Nova Bus calls this recall CR1696, which is the number on the owner letter and the dealer paperwork.

Answered from the register this site holds. NHTSA is the record to act on.

What the authority says can happen if this is not fixed: “IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH…”

20vehicles potentially
affected
1model named
in the notice
0rewrites we have
caught
reported 1 November 2011owners told 10 October 2011today
Owners were written to on 10 October 2011, 22 days before the defect report reached the regulator on 1 November 2011.
Campaign11V525
Filed byNOVA BUS INCORPORATED
System at faultEngine And Engine Cooling
Reported to NHTSA1 November 2011
Model years2010-2010
Vehicles namedNOVA BUS NOVA LFS

What the notice says today

The consequence

IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH COMPLETELY, CREATING A ROAD HAZARD.

The remedy

NOVA BUS IS WORKING WITH CUMMINS TO IDENTIFY AND NOTIFY OWNERS OF THE RECALL CAMPAIGN. REPAIRS WILL BE PERFORMED BY AUTHORIZED CUMMINS DEALERS FREE OF CHARGE. THE SAFETY RECALL BEGAN OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000.

What it said before

This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.

This is one of 588 notices in the record whose component field names engine and engine cooling. Across that group the median wait before owners were written to was 47 days.

Last checked . No change has been recorded in the wording.

The models named here, across their whole recall history

How to cite this record

Quoting the wording on this page means quoting a version, so the date belongs in the citation:

CarsMultiverse, recall 11V525, wording as read on 17 September 2026. https://carsmultiverse.com/recall/11v525/

The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.

The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.

Other Nova Bus notices we hold

All 94 Nova Bus campaigns we hold · Every manufacturer in the record

The fingerprint of this notice

We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 11V525 on 17 September 2026, they were:

We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.

The wording we hold for 11V525 · how the whole register is watched

This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Nova Bus Nova LFS, in all seven, is kept on that vehicle's own page, with the newest in each.

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NHTSA 11V525, Nova Bus Nova Lfs, every version kept at CarsMultiverse

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