List of Interference Auto Engines

Written by pat martin
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List of Interference Auto Engines
Before 1995, a broken timing belt could cause pistons to interfere with valves. (new car engine with red trim image by Raxxillion from Fotolia.com)

In many cars built prior to 1995, a broken or slipping timing belt sometimes caused pistons to contact valves. The piston interfered with the operation of the valves, possibly bending the valves or interfering with the timing of the camshaft and crankshaft. Timing belts on older "overhead cam" engines should be replaced every 60,000 miles. Better-quality timing belts produced after 1995 last longer. These newer timing belts should be replaced every 100,000 miles.

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Ford and Chrysler

Your engine stops when the timing belt breaks. In an interference engine the valves and pistons are close together. The pistons may hit the valves, bending the intake valves or breaking the pistons. Interference between pistons and valves occurred in the following Fords: 1981 to 1985 1.6L Escort; 1981 to 1983 1.6L LN7 Lynx; 1984 to 1985 2.0L Escort, Tempo; 1993 to 1995 2.0L Probe; 1986 to 1988 2.0L 2.3L Ranger; 1984 to 1987 2.0L Lynx, Topaz Diesel; 1985 2.2L Ranger; 1989 to 1992 2.2L Probe; 1986 to 1987 2.3L Diesel Ranger; and 1991 to 1998 4.6L Crown Victoria.

The following Chryslers have interference engines: 1993 to 1995 1.5L Colt; 1987 to 1988 1.5L Colt; 1987 to 1988 1.6L Colt; 1992 to 1995 1.5L Eagle Summit; 1989 to 1992 1.6L Eagle Summit; 1994 to 1998 2.0L Neon Stratus; and 1990 to 1995 2.0L Eagle Talon.

General Motors

Examining the timing belt is not easy because it is covered. Any timing belts with obvious cracks or frayed cords must be replaced. Timing belts are replaced if they squeak or squeal. General Motors vehicles with interference engines include these models: 1986 to 1995 1.0L Geo Metro: 1989 to 1991 1.0L Firefly (Canada); 1985 to 1988 1.5L Sunburst (Canada); 1985 to 1989 1.5L Spectrum; 1990 to 1993 1.6L Prizm Storm; 1981 to 1984 1.8L Diesel (Canada); 1982 to 1986 1.8L Buick Skyhawk; 1990 to 1998 1.9L Saturn; 1987 to 1988 2.0L Buick Skyhawk; 1988 to 1995 2.3L Quad Four; 1985 to 1987 3.0L Buick; and 1979 to 1995 3.8L Buick.

Honda

As an engine ages, the gears in the camshaft and the timing belt deteriorate. The chain stretches and the belt timing belt thins. You may hear noise in the camshaft or the timing may be slow. The following are Hondas with interference engines: 1986 to 1987 1.0L Prelude; 1973 to 1978 1.2L (all models); 1980 to 1984 1.3L (all models); 1979 to 1984 1.5L (all models); 1995 2.7L Accord; 1985 to 1989 1.5L Civic; 1988 to 1995 1.5L Civic, CRX; 1993 to 1995 1.5L 1.6 L Civic Del Sol; 1985 to 1987 1.5L CRX; 1973 to 1978 and 1980 to 1982 1.6L (all models); 1979 to 1983 1.8L (all models); 1984 to 1987 1.8L Prelude and Accord; 1988 to 1995 1.6L Civic, CRX; 1986 to 1991 2.0L Prelude; 1990 to 1991 2.1L Prelude; and 1990 to 1995 2.2L Prelude and Accord.

Mitsubishi, Mazda and Isuzu

From 1985 to 1995, the Mitsubishi 1.5L Mirage Precise; 1990 to 1992 1.6L Mirage; 1989 to 1995 2.0L Galant Eclipse; 1983 to 1986 2.3L Diesel pickup; and 1994 to 1995 2.4L Galant were interference engines.

Mazdas with an interference engine included the 1984 to 1985 2.0L 626; 1988 to 1992 2.2L 626; 1989 to 1993 2.2L Pickup; and 1988 to 1995 3.0L 929.

Interference engines were found in these Isuzu models: 1987 to 1989 1.5L I-Mark; 1990 to 1993 1.6L Stylus Impulse; 1987 to 1989 2.0L Impulse; 1981 to 1987 2.2L Diesel Truck; 1986 to 1995 2.3L Truck Trooper; 1988 to 1995 2.6L Truck Rodeo Amigo; and 1991 to 1996 3.2L Trooper Rodeo Amigo.

BMW, Nissan, Suzuki, and Volvo

From 1987 to 1995, the BMW 2.5L 325i and 525i; and from 1994 to 1995 the BMW 4.0L 740i, used interference engines.

The Nissan 1982 1.5L Centra; 1983 to 1988 1.6L Sentra Pulsar; 1987 to 1989 1.8LPulsar; 1982 to 1989 2.0L Stanza 300ZX; and 1984 to 1995 3.0L Maxima 300ZX Pathfinder were equipped with interference engines.

For Suzuki, the 1985 to 1994 1.3L Samurai Sidekick and the 1989 to 1994 1.3L Swift were interference engines.

The Volvo 1991 2.3L Coupe 940 and the 1986 to 1994 2.3L models 240, 740 and 940 had an interference engine.

Imported Cars

Kia only produced one interference engine, the 1995 2.0L Sportage. The following imported cars had interference engines: Daihatsu 1988 to 1992 1.0L Charade; 1988 to 1992 1.3L Charade; 1990 to 1992 1.6L Rocky; Fiat 1974 to 1979 1.3L 128 Series; 1974 to 1978 1.6L 1.8 L 124 Series; 1979 to 1982 1.5L Stranda; 1974 to 1978 1.8L 131 Series, Brava; 1979 to 1982 2.0L Brava, Spider.

These Hyundais had an interference engine: 984 to 1995 1.5L Excel Scoupe; 1995 to 1998 1.5L Accent; 1992 to 1995 1.6L 1.8 L Elantra; 1992 to 1995 2.0L; 1989 to 1991 2.4L Sonata; and 1990 to 1995 3.0 L Sonata. The Infiniti 1990 to 1992 3.0L M30 also had an interference engine.

Toyotas with an interference engine were the 1986 to 1995 1.5L Tercel; 1981 to 1987 2.2L to 2.4 Pickup; 1982 to 1988 2.8L Celica Cressida; and the 1987 to 1994 3.0L 4-Runner.

Volkswagen

Camshafts cause your intake and exhaust valves to open and close. A camshaft causes the pistons to rise and fall. The timing belt or chain integrates the camshafts with the crankshaft. If the timing belt breaks in the interference engine, the pistons crash into the valves as the camshafts and crankshaft stops. All Volkswagen engines from 1976 to 1991, except the 1.9L and the 2.1L, were interference engines. From 1990 to 1992, the Volkswagen 1.6L Golf, sold in Canada, and from 1990 to 1995, the 2.0L Jetta GTI and the 2.0 L Passat GLI, were interference engines. All Audi engines from 1970 to 1993, except the 1970 to 1977 1.9L and the 1970 to 1973 1.8L, were interference engines. Porsche interference engines were found in these cars: 1976 to 1983 2.0L 924; 1976 to 1989 2.5L 2.7L 944 Series; 1989 2.7L 944 Series; 1989 to 1991 3.0L 944 Series; 1976 to 1983 4.5L 928; 1984 4.7L 928; 1985 to 1991 5.0L 928; and 1992 to 1995 5.4L 928.

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