Classic Car Weekly (UK) - - Buying & Selling -


Steel be­neath the light­weight glass­fi­bre body is very rust-prone. Check all metal com­po­nents, es­pe­cially the floor­pan. Im­pact bumpers were added from 1973.

2 EN­GINES The ear­li­est were 748cc three-cylin­der two-strokes from the Saab 93. The Sonett II (only 258 were made) had a two-stroke 841cc. The triple sid­e­draft carbs will need care­ful fet­tling. The V4 petrol-en­gined cars

are dis­tin­guish­able by their bulging bon­nets. The most nu­mer­ous sur­viv­ing cars are the Sonett IIIs (1970 on­wards). Check for leaks and ex­ces­sive smoke, and in­spect the ser­vice his­tory. 3 GEAR­BOXES

V4 trans­mis­sion has a pin­ion nut prone to com­ing loose, usu­ally in­di­cated by pe­cu­liar speedo nee­dle read­ings. Look out for ex­ces­sive clutch wear, and lis­ten for any clonks and vi­bra­tions. The four­speed man­ual’s gear

lever moved from the col­umn to the floor with the Sonett III.

4 TRIM &

IN­TE­RIOR The in­te­ri­ors suf­fer in hot cli­mates. Check for leaks and dam­age to leather, car­pets and trim. Equip­ment can be del­i­cate. 5 BRAKES

All Sonetts have a dual-line brak­ing sys­tem, with a ‘type III’ mas­ter cylin­der. Look for signs of leak­ing fluid from the brakes, and test them heav­ily for even brak­ing.

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