1977 Triumph Dolomite 1.5L Petrol · CNP 192S
1977 Triumph Dolomite (1.5L, petrol). First registered 01 Sept 1977. Recorded mileage 70,033 miles. MOT expired on 17 Aug 2023.
- Make & Model
- TRIUMPH DOLOMITE
- Year / Origin
- 1977 · Cardiff
- Safety Recall
- Unknown
- MOT Status
- Expired on 17 Aug 2023
- Road Tax
- —
- Recorded Mileage
- 70,033 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.5L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
CNP 192S Key Findings
- 2 MOT tests recorded
- Latest MOT passed on 19/08/2022
- 70,033 miles recorded at latest MOT
- 1 historical MOT failure
- 1 defect noted at the latest MOT
- Recurring steering items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
CNP 192S MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
2 MOT tests are recorded for this 1977 Triumph Dolomite (CNP 192S) between August 2022 and August 2022.
The record contains 1 pass and 1 failure.
The most recent test on 19 August 2022 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Steering (2 issues), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 1 advisory notice is recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Steering system excessively rough o/s rack end exc worn (2.1.1 (a))”; “Nearside Lower Steering linkage ball joint has excessive play (2.1.3 (b) (i))”.
CNP 192S Mileage History
- 18/08/202270,032 mi
- 19/08/202270,033 mi+1 mi
Average of roughly 371 miles per year across 2 recorded odometer readings.
Technical Specifications
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Identification & Status
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Known faults for Triumph Triumph Dolomite
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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TRIUMPH DOLOMITE Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 1977 model year cars.
- Slant-four alloy cylinder head warping and head gasket failureSerious
The 16-valve Sprint and 8-valve 1850 slant-four engines utilise an aluminium cylinder head mounted atop an inclined cast-iron block. The diagonal angled head studs and high thermal stresses make the engine exceptionally vulnerable to overheating. A lack of high-specification corrosion-inhibited antifreeze allows electrolytic corrosion of the aluminium castings, silting up the radiator and blowing the head gasket.
- Bulkhead and windscreen pillar junction corrosionSerious
The monocoque shell of the Dolomite suffers from severe structural corrosion in the hidden junction where the windscreen A-pillar meets the bulkhead and inner wing. Water draining through deteriorated windscreen rubbers and blocked scuttle vents collects in this structural joint, rusting through multiple panels into the driver footwells and weakening the passenger safety cell.
- Deteriorated rubber carburettor mounts causing lean runningModerate
On Dolomite Sprint models, the twin 1.75-inch SU HS6 carburettors are isolated from engine vibration by rubber-to-metal sandwich mounting blocks. Over time, heat soak and fuel vapours cause the rubber to perish, split and delaminate. This admits unmetered air into the intake manifold, creating a dangerous lean fuel-air mixture that causes erratic idling, hesitation, and burnt exhaust valves.
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